diff --git a/pkgs/by-name/gm/gmic/package.nix b/pkgs/by-name/gm/gmic/package.nix
index 824db435e249..602f9cc80294 100644
--- a/pkgs/by-name/gm/gmic/package.nix
+++ b/pkgs/by-name/gm/gmic/package.nix
@@ -26,7 +26,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gmic";
-  version = "3.4.0";
+  version = "3.4.2";
 
   outputs = [ "out" "lib" "dev" "man" ];
 
@@ -34,7 +34,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "GreycLab";
     repo = "gmic";
     rev = "v.${finalAttrs.version}";
-    hash = "sha256-uK/kgzlUvEAxRB8Wc3Inspv4/8vnjXrCilP1g/QMuCs=";
+    hash = "sha256-oyhwdX/eWbb5i7j/Aw7ocJk3KrGdxfKJx+P4Hzemlw8=";
   };
 
   # TODO: build this from source
@@ -42,7 +42,7 @@ stdenv.mkDerivation (finalAttrs: {
   gmic_stdlib = fetchurl {
     name = "gmic_stdlib_community.h";
     url = "https://gmic.eu/gmic_stdlib_community${lib.replaceStrings ["."] [""] finalAttrs.version}.h";
-    hash = "sha256-LoqK8ADwzPpxhy2GvaxVjGyYEHAbhspyoIXuBXCLRtQ=";
+    hash = "sha256-quzQ0g6kmbJFygUOlKdTn9Fe9J7jhlLOiNal1kX3iHY=";
   };
 
   nativeBuildInputs = [