diff --git a/pkgs/by-name/ce/cedar/package.nix b/pkgs/by-name/ce/cedar/package.nix
index ba2544fa9f25..6df06dd8df01 100644
--- a/pkgs/by-name/ce/cedar/package.nix
+++ b/pkgs/by-name/ce/cedar/package.nix
@@ -9,16 +9,16 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "cedar";
-  version = "4.11.2";
+  version = "4.12.0";
 
   src = fetchFromGitHub {
     owner = "cedar-policy";
     repo = "cedar";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-pJiSnaq2oz1uZVkLp9s2HLPdG2sZ0EtURlO8R2V+dJs=";
+    hash = "sha256-BU0D5VGHt2S9iWVFtBbgCBRKvnhn2YnvrKH38UazmhY=";
   };
 
-  cargoHash = "sha256-6AtFdE7vXoevOU3uWP4sgibakNHK8ffnuWCzJxFt/wo=";
+  cargoHash = "sha256-fQ8oPE3fpHh61lhsaXyMpd70/nmdKFHrcKfQ/1Ih1uE=";
 
   cargoBuildFlags = [
     "--bin"