diff --git a/pkgs/by-name/co/cosmic-panel/package.nix b/pkgs/by-name/co/cosmic-panel/package.nix
index f7502bca95a2..d04d0e00206b 100644
--- a/pkgs/by-name/co/cosmic-panel/package.nix
+++ b/pkgs/by-name/co/cosmic-panel/package.nix
@@ -13,17 +13,17 @@
 
 rustPlatform.buildRustPackage {
   pname = "cosmic-panel";
-  version = "unstable-2023-11-13";
+  version = "1.0.0-alpha.5.1";
 
   src = fetchFromGitHub {
     owner = "pop-os";
     repo = "cosmic-panel";
-    rev = "f07cccbd2dc15ede5aeb7646c61c6f62cb32db0c";
-    hash = "sha256-uUq+xElZMcG5SWzha9/8COaenycII5aiXmm7sXGgjXE=";
+    rev = "epoch-1.0.0-alpha.5.1";
+    hash = "sha256-nO7Y1SpwvfHhL0OSy7Ti+e8NPzfknW2SGs7IYoF1Jow=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-1XtW72KPdRM5gHIM3Fw2PZCobBXYDMAqjZ//Ebr51tc=";
+  cargoHash = "sha256-EIp9s42deMaB7BDe7RAqj2+CnTXjHCtZjS5Iq8l46A4=";
 
   nativeBuildInputs = [
     just