diff --git a/pkgs/by-name/cg/cgns/package.nix b/pkgs/by-name/cg/cgns/package.nix
index 6eea0db29d4b..989b8345e72d 100644
--- a/pkgs/by-name/cg/cgns/package.nix
+++ b/pkgs/by-name/cg/cgns/package.nix
@@ -13,13 +13,13 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "cgns";
-  version = "4.5.0";
+  version = "4.5.1";
 
   src = fetchFromGitHub {
     owner = "cgns";
     repo = "cgns";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-lPbXIC+O4hTtacxUcyNjZUWpEwo081MjEWhfIH3MWus=";
+    hash = "sha256-9i44GJesbZ2kV+ZSpYPYEhH873W8DxD1/aYzD19eAJ8=";
   };
 
   postPatch = ''