diff --git a/pkgs/by-name/ty/typespec/package.nix b/pkgs/by-name/ty/typespec/package.nix
index 2671f0c9a10a..e6825050b51c 100644
--- a/pkgs/by-name/ty/typespec/package.nix
+++ b/pkgs/by-name/ty/typespec/package.nix
@@ -14,13 +14,13 @@ let
 in
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "typespec";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "microsoft";
     repo = "typespec";
     tag = "typespec-stable@${finalAttrs.version}";
-    hash = "sha256-yf9Iz9chRzaRS9Mkw+Djr4zSbub5GIn9vlQI97nymyE=";
+    hash = "sha256-huyEQA+XhlGVxnxUzQH1aIZUE4EbCN6HakitzuDyR18=";
   };
 
   nativeBuildInputs = [
@@ -39,7 +39,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
       postPatch
       ;
     fetcherVersion = 1;
-    hash = "sha256-f0Amp6xS77cdD0+nQquEPnOpTPWyLza7T4FmGHOfTOo=";
+    hash = "sha256-/Y7KhdNeyUV2CQQWjhYBDDT24oE6UdBO6HTweUUaNqc=";
   };
 
   postPatch = ''