diff --git a/pkgs/applications/networking/cluster/temporal/default.nix b/pkgs/applications/networking/cluster/temporal/default.nix
index b09e9d0c4e95..44ba2491588b 100644
--- a/pkgs/applications/networking/cluster/temporal/default.nix
+++ b/pkgs/applications/networking/cluster/temporal/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "temporal";
-  version = "1.20.3";
+  version = "1.21.0";
 
   src = fetchFromGitHub {
     owner = "temporalio";
     repo = "temporal";
     rev = "v${version}";
-    hash = "sha256-ej6k9zQNpQ4x1LxZCI5vst9P1bSLEtbVkz1HUIX46cA=";
+    hash = "sha256-PhJLO+0JoSGS/aN6ZZoCwSypm8hihwAjsav+l4NSNZo=";
   };
 
-  vendorHash = "sha256-Fo/xePou96KdFlUNIqhDZX4TJoYXqlMyuLDvmR/XreY=";
+  vendorHash = "sha256-rgUdoFR7Qcp1h7v63DAWwx6NWSwWrJ6C6/b2tx2kCCw=";
 
   excludedPackages = [ "./build" ];