diff --git a/.gitmodules b/.gitmodules
index d5788ea..d9d9437 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "ggml"]
     path = ggml
-	url = https://github.com/leejet/ggml.git
+	url = https://github.com/ggerganov/ggml.git
diff --git a/ggml b/ggml
index 89fd770..73c3287 160000
--- a/ggml
+++ b/ggml
@@ -1 +1 @@
-Subproject commit 89fd77041d5eb2087eb340711468a02cc479634d
+Subproject commit 73c3287813f8977d778d3eb5006660b5ae04f288
diff --git a/t5.hpp b/t5.hpp
index f69f467..79109e3 100644
--- a/t5.hpp
+++ b/t5.hpp
@@ -453,7 +453,7 @@ public:
 
     struct ggml_tensor* forward(struct ggml_context* ctx, struct ggml_tensor* x) {
         struct ggml_tensor* w = params["weight"];
-        x                     = ggml_norm_ext(ctx, x, eps, false);
+        x                     = ggml_rms_norm(ctx, x, eps);
         x                     = ggml_mul(ctx, x, w);
         return x;
     }