diff --git a/pkgs/by-name/gm/gmic/package.nix b/pkgs/by-name/gm/gmic/package.nix
index 7b2c720408e4..05e039b4cd15 100644
--- a/pkgs/by-name/gm/gmic/package.nix
+++ b/pkgs/by-name/gm/gmic/package.nix
@@ -31,7 +31,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gmic";
-  version = "3.6.2";
+  version = "3.6.3";
 
   outputs = [
     "out"
@@ -44,7 +44,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "GreycLab";
     repo = "gmic";
     rev = "v.${finalAttrs.version}";
-    hash = "sha256-KiX7yHwuy2AWLqqmiHz9YhbvRBEusE9TuXKtaA9YsME=";
+    hash = "sha256-+q4GnpL/XeroQ2FUxjrrENlEE5Zi1bEnDkIMtOVIZHQ=";
   };
 
   # TODO: build this from source
@@ -54,7 +54,7 @@ stdenv.mkDerivation (finalAttrs: {
     url = "https://gmic.eu/gmic_stdlib_community${
       lib.replaceStrings [ "." ] [ "" ] finalAttrs.version
     }.h";
-    hash = "sha256-JO8ijrOgrOq7lB8NaxnlsQhDXSMgAGQlOG3lT9NfuMw=";
+    hash = "sha256-dfn4ayQs4pg3TEMGvp1D+mllehNYFvWvzeqxR72F3aE=";
   };
 
   nativeBuildInputs = [