diff --git a/pkgs/development/compilers/circt/default.nix b/pkgs/development/compilers/circt/default.nix
index 6d4a0356482a1..551a325852dd6 100644
--- a/pkgs/development/compilers/circt/default.nix
+++ b/pkgs/development/compilers/circt/default.nix
@@ -17,12 +17,12 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "circt";
-  version = "1.66.0";
+  version = "1.67.0";
   src = fetchFromGitHub {
     owner = "llvm";
     repo = "circt";
     rev = "firtool-${version}";
-    sha256 = "sha256-7O2YUZq0GBS2xvsXg0v55XZXAzqsbHjeKNgqMbNRT8E=";
+    hash = "sha256-ftKtqKIgGVqiETTsirhydjmFiozqHoMRdu+IBZc8iMI=";
     fetchSubmodules = true;
   };