diff --git a/pkgs/by-name/cg/cgreen/package.nix b/pkgs/by-name/cg/cgreen/package.nix
index 6aabd82ef00a..3ae0045d4167 100644
--- a/pkgs/by-name/cg/cgreen/package.nix
+++ b/pkgs/by-name/cg/cgreen/package.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "cgreen";
-  version = "1.6.3";
+  version = "1.6.4";
 
   src = fetchFromGitHub {
     owner = "cgreen-devs";
     repo = "cgreen";
     rev = finalAttrs.version;
-    sha256 = "sha256-qcOj+NlgbHCYuNsM6ngNI2fNhkCwLL6mIVkNSv9hRE8=";
+    sha256 = "sha256-W4MdB3acZcxavjRupJa4eXAv9g4QgYXFAQWOLoHrQZ8=";
   };
 
   postPatch = ''