diff --git a/examples/gguf/gguf.cpp b/examples/gguf/gguf.cpp
index dee00df87..cda517bde 100644
--- a/examples/gguf/gguf.cpp
+++ b/examples/gguf/gguf.cpp
@@ -30,6 +30,9 @@ bool gguf_ex_write(const std::string & fname) {
     gguf_set_val_u32 (ctx, "some.parameter.uint32",   0x12345678);
     gguf_set_val_i32 (ctx, "some.parameter.int32",   -0x12345679);
     gguf_set_val_f32 (ctx, "some.parameter.float32",  0.123456789f);
+    gguf_set_val_u64 (ctx, "some.parameter.uint64",   0x123456789abcdef0ull);
+    gguf_set_val_i64 (ctx, "some.parameter.int64",   -0x123456789abcdef1ll);
+    gguf_set_val_f64 (ctx, "some.parameter.float64",  0.1234567890123456789);
     gguf_set_val_bool(ctx, "some.parameter.bool",     true);
     gguf_set_val_str (ctx, "some.parameter.string",   "hello world");
 
diff --git a/ggml.c b/ggml.c
index 394fb459f..855d519bf 100644
--- a/ggml.c
+++ b/ggml.c
@@ -19394,7 +19394,7 @@ size_t ggml_quantize_chunk(enum ggml_type type, const float * src, void * dst, i
 ////////////////////////////////////////////////////////////////////////////////
 
 struct gguf_str {
-    uint32_t n;
+    uint64_t n;  // GGUFv2
     char * data;
 };
 
@@ -19408,9 +19408,12 @@ static const size_t GGUF_TYPE_SIZE[GGUF_TYPE_COUNT] = {
     [GGUF_TYPE_FLOAT32] = sizeof(float),
     [GGUF_TYPE_BOOL]    = sizeof(bool),
     [GGUF_TYPE_STRING]  = sizeof(struct gguf_str),
+    [GGUF_TYPE_UINT64]  = sizeof(uint64_t),
+    [GGUF_TYPE_INT64]   = sizeof(int64_t),
+    [GGUF_TYPE_FLOAT64] = sizeof(double),
     [GGUF_TYPE_ARRAY]   = 0, // undefined
 };
-static_assert(GGUF_TYPE_COUNT == 10, "GGUF_TYPE_COUNT != 10");
+static_assert(GGUF_TYPE_COUNT == 13, "GGUF_TYPE_COUNT != 13");
 
 static const char * GGUF_TYPE_NAME[GGUF_TYPE_COUNT] = {
     [GGUF_TYPE_UINT8]   = "u8",
@@ -19423,8 +19426,11 @@ static const char * GGUF_TYPE_NAME[GGUF_TYPE_COUNT] = {
     [GGUF_TYPE_BOOL]    = "bool",
     [GGUF_TYPE_STRING]  = "str",
     [GGUF_TYPE_ARRAY]   = "arr",
+    [GGUF_TYPE_UINT64]  = "u64",
+    [GGUF_TYPE_INT64]   = "i64",
+    [GGUF_TYPE_FLOAT64] = "f64",
 };
-static_assert(GGUF_TYPE_COUNT == 10, "GGUF_TYPE_COUNT != 10");
+static_assert(GGUF_TYPE_COUNT == 13, "GGUF_TYPE_COUNT != 13");
 
 union gguf_value {
     uint8_t  uint8;
@@ -19434,6 +19440,9 @@ union gguf_value {
     uint32_t uint32;
     int32_t  int32;
     float    float32;
+    uint64_t uint64;
+    int64_t  int64;
+    double   float64;
     bool     bool_;
 
     struct gguf_str str;
@@ -19441,7 +19450,7 @@ union gguf_value {
     struct {
         enum gguf_type type;
 
-        uint32_t n;
+        uint64_t n;  // GGUFv2
         void * data;
     } arr;
 };
@@ -19449,8 +19458,6 @@ union gguf_value {
 struct gguf_kv {
     struct gguf_str key;
 
-    uint32_t n_bytes; // TODO: is this actually needed?
-
     enum  gguf_type  type;
     union gguf_value value;
 };
@@ -19458,15 +19465,15 @@ struct gguf_kv {
 struct gguf_header {
     uint32_t magic;
     uint32_t version;
-    uint32_t n_tensors;
-    uint32_t n_kv;
+    uint64_t n_tensors; // GGUFv2
+    uint64_t n_kv;      // GGUFv2
 };
 
 struct gguf_tensor_info {
     struct gguf_str name;
 
     uint32_t n_dims;
-    uint32_t ne[GGML_MAX_DIMS];
+    uint64_t ne[GGML_MAX_DIMS];
 
     enum ggml_type type;
 
@@ -19497,19 +19504,32 @@ static bool gguf_fread_el(FILE * file, void * dst, size_t size, size_t * offset)
     return n == size;
 }
 
-static bool gguf_fread_str(FILE * file, struct gguf_str * p, size_t * offset) {
+// NOTE: temporary handling of GGUFv1 >> remove after Oct 2023
+static bool gguf_fread_str_cur(FILE * file, struct gguf_str * p, size_t * offset) {
     p->n    = 0;
     p->data = NULL;
 
     bool ok = true;
 
-    // TODO: how to avoid mallocs for strings?
     ok = ok && gguf_fread_el(file, &p->n,    sizeof(p->n), offset); p->data = calloc(p->n + 1, 1);
     ok = ok && gguf_fread_el(file,  p->data, p->n,         offset);
 
     return ok;
 }
 
+static bool gguf_fread_str_v1(FILE * file, struct gguf_str * p, size_t * offset) {
+    p->n    = 0;
+    p->data = NULL;
+
+    bool ok = true;
+
+    uint32_t n = 0;
+    ok = ok && gguf_fread_el(file, &n,       sizeof(n),   offset); p->data = calloc(n + 1, 1); p->n = n;
+    ok = ok && gguf_fread_el(file,  p->data, p->n,         offset);
+
+    return ok;
+}
+
 struct gguf_context * gguf_init_empty(void) {
     struct gguf_context * ctx = GGML_ALIGNED_MALLOC(sizeof(struct gguf_context));
 
@@ -19565,8 +19585,21 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
         ctx->data  = NULL;
 
         ok = ok && gguf_fread_el(file, &ctx->header.version,   sizeof(ctx->header.version),   &offset);
-        ok = ok && gguf_fread_el(file, &ctx->header.n_tensors, sizeof(ctx->header.n_tensors), &offset);
-        ok = ok && gguf_fread_el(file, &ctx->header.n_kv,      sizeof(ctx->header.n_kv),      &offset);
+
+        if (ctx->header.version == 1) {
+            // NOTE: temporary handling of GGUFv1 >> remove after Oct 2023
+            uint32_t n_tensors = 0;
+            uint32_t n_kv      = 0;
+
+            ok = ok && gguf_fread_el(file, &n_tensors, sizeof(n_tensors), &offset);
+            ok = ok && gguf_fread_el(file, &n_kv,      sizeof(n_kv),      &offset);
+
+            ctx->header.n_tensors = n_tensors;
+            ctx->header.n_kv      = n_kv;
+        } else {
+            ok = ok && gguf_fread_el(file, &ctx->header.n_tensors, sizeof(ctx->header.n_tensors), &offset);
+            ok = ok && gguf_fread_el(file, &ctx->header.n_kv,      sizeof(ctx->header.n_kv),      &offset);
+        }
 
         if (!ok) {
             fprintf(stderr, "%s: failed to read header\n", __func__);
@@ -19576,6 +19609,12 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
         }
     }
 
+    // NOTE: temporary handling of GGUFv1 >> remove after Oct 2023
+    bool (* gguf_fread_str)(FILE *, struct gguf_str *, size_t *) = gguf_fread_str_cur;
+    if (ctx->header.version == 1) {
+        gguf_fread_str = gguf_fread_str_v1;
+    }
+
     // read the kv pairs
     {
         ctx->kv = GGML_ALIGNED_MALLOC(ctx->header.n_kv * sizeof(struct gguf_kv));
@@ -19585,9 +19624,8 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
 
             //fprintf(stderr, "%s: reading kv %d\n", __func__, i);
 
-            ok = ok && gguf_fread_str(file, &kv->key,                          &offset);
-          //ok = ok && gguf_fread_el (file, &kv->n_bytes, sizeof(kv->n_bytes), &offset);
-            ok = ok && gguf_fread_el (file, &kv->type,    sizeof(kv->type),    &offset);
+            ok = ok && gguf_fread_str(file, &kv->key,                    &offset);
+            ok = ok && gguf_fread_el (file, &kv->type, sizeof(kv->type), &offset);
 
             //fprintf(stderr, "%s: reading kv with key %s\n", __func__, kv->key.data);
 
@@ -19599,12 +19637,23 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
                 case GGUF_TYPE_UINT32:  ok = ok && gguf_fread_el (file, &kv->value.uint32,  sizeof(kv->value.uint32),  &offset); break;
                 case GGUF_TYPE_INT32:   ok = ok && gguf_fread_el (file, &kv->value.int32,   sizeof(kv->value.int32),   &offset); break;
                 case GGUF_TYPE_FLOAT32: ok = ok && gguf_fread_el (file, &kv->value.float32, sizeof(kv->value.float32), &offset); break;
+                case GGUF_TYPE_UINT64:  ok = ok && gguf_fread_el (file, &kv->value.uint64,  sizeof(kv->value.uint64),  &offset); break;
+                case GGUF_TYPE_INT64:   ok = ok && gguf_fread_el (file, &kv->value.int64,   sizeof(kv->value.int64),   &offset); break;
+                case GGUF_TYPE_FLOAT64: ok = ok && gguf_fread_el (file, &kv->value.float64, sizeof(kv->value.float64), &offset); break;
                 case GGUF_TYPE_BOOL:    ok = ok && gguf_fread_el (file, &kv->value.bool_,   sizeof(kv->value.bool_),   &offset); break;
                 case GGUF_TYPE_STRING:  ok = ok && gguf_fread_str(file, &kv->value.str,                                &offset); break;
                 case GGUF_TYPE_ARRAY:
                     {
                         ok = ok && gguf_fread_el(file, &kv->value.arr.type, sizeof(kv->value.arr.type), &offset);
-                        ok = ok && gguf_fread_el(file, &kv->value.arr.n,    sizeof(kv->value.arr.n),    &offset);
+
+                        if (ctx->header.version == 1) {
+                            // NOTE: temporary handling of GGUFv1 >> remove after Oct 2023
+                            uint32_t n = 0;
+                            ok = ok && gguf_fread_el(file, &n, sizeof(n), &offset);
+                            kv->value.arr.n = n;
+                        } else {
+                            ok = ok && gguf_fread_el(file, &kv->value.arr.n, sizeof(kv->value.arr.n), &offset);
+                        }
 
                         switch (kv->value.arr.type) {
                             case GGUF_TYPE_UINT8:
@@ -19614,6 +19663,9 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
                             case GGUF_TYPE_UINT32:
                             case GGUF_TYPE_INT32:
                             case GGUF_TYPE_FLOAT32:
+                            case GGUF_TYPE_UINT64:
+                            case GGUF_TYPE_INT64:
+                            case GGUF_TYPE_FLOAT64:
                             case GGUF_TYPE_BOOL:
                                 {
                                     kv->value.arr.data = malloc(kv->value.arr.n * GGUF_TYPE_SIZE[kv->value.arr.type]);
@@ -19660,7 +19712,14 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
             ok = ok && gguf_fread_str(file, &info->name,                          &offset);
             ok = ok && gguf_fread_el (file, &info->n_dims, sizeof(info->n_dims),  &offset);
             for (uint32_t j = 0; j < info->n_dims; ++j) {
-                ok = ok && gguf_fread_el(file, &info->ne[j], sizeof(info->ne[j]), &offset);
+                if (ctx->header.version == 1) {
+                    // NOTE: temporary handling of GGUFv1 >> remove after Oct 2023
+                    uint32_t t = 0;
+                    ok = ok && gguf_fread_el(file, &t, sizeof(t), &offset);
+                    info->ne[j] = t;
+                } else {
+                    ok = ok && gguf_fread_el(file, &info->ne[j], sizeof(info->ne[j]), &offset);
+                }
             }
             ok = ok && gguf_fread_el (file, &info->type,   sizeof(info->type),    &offset);
             ok = ok && gguf_fread_el (file, &info->offset, sizeof(info->offset),  &offset);
@@ -19954,6 +20013,18 @@ float gguf_get_val_f32(struct gguf_context * ctx, int i) {
     return ctx->kv[i].value.float32;
 }
 
+uint64_t gguf_get_val_u64(struct gguf_context * ctx, int i) {
+    return ctx->kv[i].value.uint64;
+}
+
+int64_t gguf_get_val_i64(struct gguf_context * ctx, int i) {
+    return ctx->kv[i].value.int64;
+}
+
+double gguf_get_val_f64(struct gguf_context * ctx, int i) {
+    return ctx->kv[i].value.float64;
+}
+
 bool gguf_get_val_bool(struct gguf_context * ctx, int i) {
     return ctx->kv[i].value.bool_;
 }
@@ -20056,6 +20127,27 @@ void gguf_set_val_f32(struct gguf_context * ctx, const char * key, float val) {
     ctx->kv[idx].value.float32 = val;
 }
 
+void gguf_set_val_u64(struct gguf_context * ctx, const char * key, uint64_t val) {
+    const int idx = gguf_get_or_add_key(ctx, key);
+
+    ctx->kv[idx].type         = GGUF_TYPE_UINT64;
+    ctx->kv[idx].value.uint64 = val;
+}
+
+void gguf_set_val_i64(struct gguf_context * ctx, const char * key, int64_t val) {
+    const int idx = gguf_get_or_add_key(ctx, key);
+
+    ctx->kv[idx].type        = GGUF_TYPE_INT64;
+    ctx->kv[idx].value.int64 = val;
+}
+
+void gguf_set_val_f64(struct gguf_context * ctx, const char * key, double val) {
+    const int idx = gguf_get_or_add_key(ctx, key);
+
+    ctx->kv[idx].type          = GGUF_TYPE_FLOAT64;
+    ctx->kv[idx].value.float64 = val;
+}
+
 void gguf_set_val_bool(struct gguf_context * ctx, const char * key, bool val) {
     const int idx = gguf_get_or_add_key(ctx, key);
 
@@ -20106,6 +20198,9 @@ void gguf_set_kv(struct gguf_context * ctx, struct gguf_context * src) {
             case GGUF_TYPE_UINT32:  gguf_set_val_u32 (ctx, src->kv[i].key.data, src->kv[i].value.uint32);   break;
             case GGUF_TYPE_INT32:   gguf_set_val_i32 (ctx, src->kv[i].key.data, src->kv[i].value.int32);    break;
             case GGUF_TYPE_FLOAT32: gguf_set_val_f32 (ctx, src->kv[i].key.data, src->kv[i].value.float32);  break;
+            case GGUF_TYPE_UINT64:  gguf_set_val_u64 (ctx, src->kv[i].key.data, src->kv[i].value.uint64);   break;
+            case GGUF_TYPE_INT64:   gguf_set_val_i64 (ctx, src->kv[i].key.data, src->kv[i].value.int64);    break;
+            case GGUF_TYPE_FLOAT64: gguf_set_val_f64 (ctx, src->kv[i].key.data, src->kv[i].value.float64);  break;
             case GGUF_TYPE_BOOL:    gguf_set_val_bool(ctx, src->kv[i].key.data, src->kv[i].value.bool_);    break;
             case GGUF_TYPE_STRING:  gguf_set_val_str (ctx, src->kv[i].key.data, src->kv[i].value.str.data); break;
             case GGUF_TYPE_ARRAY:
@@ -20267,6 +20362,9 @@ static void gguf_write_to_buf(struct gguf_context * ctx, struct gguf_buf * buf,
             case GGUF_TYPE_UINT32:  gguf_bwrite_el (buf, &kv->value.uint32,  sizeof(kv->value.uint32) ); break;
             case GGUF_TYPE_INT32:   gguf_bwrite_el (buf, &kv->value.int32,   sizeof(kv->value.int32)  ); break;
             case GGUF_TYPE_FLOAT32: gguf_bwrite_el (buf, &kv->value.float32, sizeof(kv->value.float32)); break;
+            case GGUF_TYPE_UINT64:  gguf_bwrite_el (buf, &kv->value.uint64,  sizeof(kv->value.uint64) ); break;
+            case GGUF_TYPE_INT64:   gguf_bwrite_el (buf, &kv->value.int64,   sizeof(kv->value.int64)  ); break;
+            case GGUF_TYPE_FLOAT64: gguf_bwrite_el (buf, &kv->value.float64, sizeof(kv->value.float64)); break;
             case GGUF_TYPE_BOOL:    gguf_bwrite_el (buf, &kv->value.bool_,   sizeof(kv->value.bool_)  ); break;
             case GGUF_TYPE_STRING:  gguf_bwrite_str(buf, &kv->value.str                               ); break;
             case GGUF_TYPE_ARRAY:
@@ -20282,6 +20380,9 @@ static void gguf_write_to_buf(struct gguf_context * ctx, struct gguf_buf * buf,
                         case GGUF_TYPE_UINT32:
                         case GGUF_TYPE_INT32:
                         case GGUF_TYPE_FLOAT32:
+                        case GGUF_TYPE_UINT64:
+                        case GGUF_TYPE_INT64:
+                        case GGUF_TYPE_FLOAT64:
                         case GGUF_TYPE_BOOL:
                             {
                                 gguf_bwrite_el(buf, kv->value.arr.data, kv->value.arr.n * GGUF_TYPE_SIZE[kv->value.arr.type]);
diff --git a/ggml.h b/ggml.h
index b418153ba..792ca6e42 100644
--- a/ggml.h
+++ b/ggml.h
@@ -216,7 +216,7 @@
 #define GGML_EXIT_ABORTED 1
 
 #define GGUF_MAGIC   0x46554747 // "GGUF"
-#define GGUF_VERSION 1
+#define GGUF_VERSION 2
 
 #define GGUF_DEFAULT_ALIGNMENT 32
 
@@ -1827,6 +1827,9 @@ extern "C" {
         GGUF_TYPE_BOOL    = 7,
         GGUF_TYPE_STRING  = 8,
         GGUF_TYPE_ARRAY   = 9,
+        GGUF_TYPE_UINT64  = 10,
+        GGUF_TYPE_INT64   = 11,
+        GGUF_TYPE_FLOAT64 = 12,
         GGUF_TYPE_COUNT,       // marks the end of the enum
     };
 
@@ -1867,6 +1870,9 @@ extern "C" {
     GGML_API uint32_t     gguf_get_val_u32 (struct gguf_context * ctx, int i);
     GGML_API int32_t      gguf_get_val_i32 (struct gguf_context * ctx, int i);
     GGML_API float        gguf_get_val_f32 (struct gguf_context * ctx, int i);
+    GGML_API uint64_t     gguf_get_val_u64 (struct gguf_context * ctx, int i);
+    GGML_API int64_t      gguf_get_val_i64 (struct gguf_context * ctx, int i);
+    GGML_API double       gguf_get_val_f64 (struct gguf_context * ctx, int i);
     GGML_API bool         gguf_get_val_bool(struct gguf_context * ctx, int i);
     GGML_API const char * gguf_get_val_str (struct gguf_context * ctx, int i);
     GGML_API int          gguf_get_arr_n   (struct gguf_context * ctx, int i);
@@ -1886,6 +1892,9 @@ extern "C" {
     GGML_API void gguf_set_val_u32 (struct gguf_context * ctx, const char * key, uint32_t val);
     GGML_API void gguf_set_val_i32 (struct gguf_context * ctx, const char * key, int32_t  val);
     GGML_API void gguf_set_val_f32 (struct gguf_context * ctx, const char * key, float    val);
+    GGML_API void gguf_set_val_u64 (struct gguf_context * ctx, const char * key, uint64_t val);
+    GGML_API void gguf_set_val_i64 (struct gguf_context * ctx, const char * key, int64_t  val);
+    GGML_API void gguf_set_val_f64 (struct gguf_context * ctx, const char * key, double   val);
     GGML_API void gguf_set_val_bool(struct gguf_context * ctx, const char * key, bool     val);
     GGML_API void gguf_set_val_str (struct gguf_context * ctx, const char * key, const char * val);
     GGML_API void gguf_set_arr_data(struct gguf_context * ctx, const char * key, enum gguf_type type, const void * data, int n);
diff --git a/gguf-py/gguf/gguf.py b/gguf-py/gguf/gguf.py
index f4db7001b..838a2c0f8 100644
--- a/gguf-py/gguf/gguf.py
+++ b/gguf-py/gguf/gguf.py
@@ -13,7 +13,7 @@ from typing import Any, IO, List, Optional
 #
 
 GGUF_MAGIC             = 0x46554747
-GGUF_VERSION           = 1
+GGUF_VERSION           = 2
 GGUF_DEFAULT_ALIGNMENT = 32
 
 # general
@@ -365,6 +365,9 @@ class GGUFValueType(IntEnum):
     BOOL    = 7
     STRING  = 8
     ARRAY   = 9
+    UINT64  = 10
+    INT64   = 11
+    FLOAT64 = 12
 
     @staticmethod
     def get_type(val):
@@ -378,6 +381,7 @@ class GGUFValueType(IntEnum):
             return GGUFValueType.BOOL
         elif isinstance(val, int):
             return GGUFValueType.INT32
+        # TODO: need help with 64-bit types in Python
         else:
             print("Unknown type: "+str(type(val)))
             sys.exit()
@@ -400,8 +404,8 @@ class GGUFWriter:
     def write_header_to_file(self):
         self.fout.write(struct.pack("<I", GGUF_MAGIC))
         self.fout.write(struct.pack("<I", GGUF_VERSION))
-        self.fout.write(struct.pack("<I", self.ti_data_count))
-        self.fout.write(struct.pack("<I", self.kv_data_count))
+        self.fout.write(struct.pack("<Q", self.ti_data_count))
+        self.fout.write(struct.pack("<Q", self.kv_data_count))
         self.flush()
 #        print("tensors " + str(self.ti_data_count) + " kv " + str(self.kv_data_count))
 
@@ -444,6 +448,18 @@ class GGUFWriter:
         self.add_key(key)
         self.add_val(val, GGUFValueType.FLOAT32)
 
+    def add_uint64(self, key: str, val: int):
+        self.add_key(key)
+        self.add_val(val, GGUFValueType.UINT64)
+
+    def add_int64(self, key: str, val: int):
+        self.add_key(key)
+        self.add_val(val, GGUFValueType.INT64)
+
+    def add_float64(self, key: str, val: float):
+        self.add_key(key)
+        self.add_val(val, GGUFValueType.FLOAT64)
+
     def add_bool(self, key: str, val: bool):
         self.add_key(key)
         self.add_val(val, GGUFValueType.BOOL)
@@ -483,17 +499,23 @@ class GGUFWriter:
             self.kv_data += struct.pack("<i", val)
         elif vtype == GGUFValueType.FLOAT32:
             self.kv_data += struct.pack("<f", val)
+        elif vtype == GGUFValueType.UINT64:
+            self.kv_data += struct.pack("<Q", val)
+        elif vtype == GGUFValueType.INT64:
+            self.kv_data += struct.pack("<q", val)
+        elif vtype == GGUFValueType.FLOAT64:
+            self.kv_data += struct.pack("<d", val)
         elif vtype == GGUFValueType.BOOL:
             self.kv_data += struct.pack("?", val)
         elif vtype == GGUFValueType.STRING:
             encoded_val = val.encode("utf8") if isinstance(val, str) else val
-            self.kv_data += struct.pack("<I", len(encoded_val))
+            self.kv_data += struct.pack("<Q", len(encoded_val))
             self.kv_data += encoded_val
         elif vtype == GGUFValueType.ARRAY:
             ltype = set([GGUFValueType.get_type(item) for item in val])
             assert len(ltype) == 1, "All items in a GGUF array should be of the same type"
             self.kv_data += struct.pack("<I", list(ltype)[0])
-            self.kv_data += struct.pack("<I", len(val))
+            self.kv_data += struct.pack("<Q", len(val))
             for item in val:
                 self.add_val(item, add_vtype=False)
         else:
@@ -507,12 +529,12 @@ class GGUFWriter:
         assert raw_dtype is not None or tensor_dtype in (np.float32, np.float16), "Only F32 and F16 tensors are supported for now"
 
         encoded_name = name.encode("utf8")
-        self.ti_data += struct.pack("<I", len(encoded_name))
+        self.ti_data += struct.pack("<Q", len(encoded_name))
         self.ti_data += encoded_name
         n_dims = len(tensor_shape)
         self.ti_data += struct.pack("<I", n_dims)
         for i in range(n_dims):
-            self.ti_data += struct.pack("<I", tensor_shape[n_dims - 1 - i])
+            self.ti_data += struct.pack("<Q", tensor_shape[n_dims - 1 - i])
         if raw_dtype is None:
             dtype = GGMLQuantizationType.F32 if tensor_dtype == np.float32 else GGMLQuantizationType.F16
         else:
diff --git a/llama.cpp b/llama.cpp
index 2a8af4ee9..df103a6e5 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -1144,11 +1144,13 @@ static bool llama_kv_cache_init(
 
 enum llama_fver {
     GGUF_FILE_VERSION_V1 = 1,
+    GGUF_FILE_VERSION_V2 = 2,
 };
 
 static const char * llama_file_version_name(llama_fver version) {
     switch (version) {
-        case GGUF_FILE_VERSION_V1: return "GGUF V1 (latest)";
+        case GGUF_FILE_VERSION_V1: return "GGUF V1 (support until nov 2023)";
+        case GGUF_FILE_VERSION_V2: return "GGUF V2 (latest)";
     }
 
     return "unknown";