diff --git a/pkgs/development/compilers/llvm/default.nix b/pkgs/development/compilers/llvm/default.nix
index 2ae34f202fd1..41500bcba153 100644
--- a/pkgs/development/compilers/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/default.nix
@@ -33,9 +33,9 @@ let
     "19.1.7".officialRelease.sha256 = "sha256-cZAB5vZjeTsXt9QHbP5xluWNQnAHByHtHnAhVDV0E6I=";
     "20.1.6".officialRelease.sha256 = "sha256-PfCzECiCM+k0hHqEUSr1TSpnII5nqIxg+Z8ICjmMj0Y=";
     "21.0.0-git".gitRelease = {
-      rev = "9adde28df784f5c0cc960bdabd413ac131a5852e";
-      rev-version = "21.0.0-unstable-2025-06-15";
-      sha256 = "sha256-8HrUSKL3vOd/Jg9svso9ChCr4tvlGOliyGfi18oZLDY=";
+      rev = "f9fce4975bbad835deba6e639c21a62154dd8c14";
+      rev-version = "21.0.0-unstable-2025-06-22";
+      sha256 = "sha256-Xu9RD6R6tQDZ0kaSD7N0GTp1TcUV6BK12fobK0qPkIw=";
     };
   } // llvmVersions;