diff --git a/.github/workflows/typespec.yml b/.github/workflows/typespec.yml
index 9d1065b59..903cf960a 100644
--- a/.github/workflows/typespec.yml
+++ b/.github/workflows/typespec.yml
@@ -30,7 +30,7 @@ jobs:
           node-version : '20.9.0'
 
       - name : Install tsp
-        run : npm install -g @typespec/compiler
+        run : npm install -g @typespec/compiler@0.64.0
 
       - name : Validate tsp files
         run : |
diff --git a/typespec/package.json b/typespec/package.json
index b05a21e31..8ffabbe64 100644
--- a/typespec/package.json
+++ b/typespec/package.json
@@ -3,10 +3,10 @@
   "version": "1.16.7",
   "type": "module",
   "dependencies": {
-    "@typespec/compiler": "latest",
-    "@typespec/http": "latest",
-    "@typespec/openapi3": "latest",
-    "@typespec/rest": "latest"
+    "@typespec/compiler": "0.64.0",
+    "@typespec/http": "0.64.0",
+    "@typespec/openapi3": "0.64.0",
+    "@typespec/rest": "0.64.0"
   },
   "private": true
 }