diff --git a/pkgs/by-name/gm/gmic-qt/package.nix b/pkgs/by-name/gm/gmic-qt/package.nix
index 389f366680c1..9c3d74cbe566 100644
--- a/pkgs/by-name/gm/gmic-qt/package.nix
+++ b/pkgs/by-name/gm/gmic-qt/package.nix
@@ -49,13 +49,13 @@ assert lib.assertMsg
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gmic-qt${lib.optionalString (variant != "standalone") "-${variant}"}";
-  version = "3.3.6";
+  version = "3.4.0";
 
   src = fetchFromGitHub {
     owner = "c-koi";
     repo = "gmic-qt";
     rev = "v.${finalAttrs.version}";
-    hash = "sha256-0MtQTc2nUF8N1IDIcRxGqfXKULl9ZjnqDt4q84jA5ow=";
+    hash = "sha256-IZMvvhWQwbnyxF3CkvEjySl3o3DB6UucpjqOFR9NjQ0=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/gm/gmic/package.nix b/pkgs/by-name/gm/gmic/package.nix
index 2afb1f4d40e9..143954e9cf49 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 = "3.3.6";
+  version = "3.4.0";
 
   outputs = [ "out" "lib" "dev" "man" ];
 
@@ -34,7 +34,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "GreycLab";
     repo = "gmic";
     rev = "v.${finalAttrs.version}";
-    hash = "sha256-gyQP+ulXLMVkNn1Bss7zlQINcTunwbP+MAsftADqtOk=";
+    hash = "sha256-uK/kgzlUvEAxRB8Wc3Inspv4/8vnjXrCilP1g/QMuCs=";
   };
 
   # TODO: build this from source
@@ -42,7 +42,7 @@ stdenv.mkDerivation (finalAttrs: {
   gmic_stdlib = fetchurl {
     name = "gmic_stdlib_community.h";
     url = "http://gmic.eu/gmic_stdlib_community${lib.replaceStrings ["."] [""] finalAttrs.version}.h";
-    hash = "sha256-mj6yOGc+CGY6oFDv9PJ7y9KABdn9DG32m2IVlLAhrsc=";
+    hash = "sha256-wq8yQ0pxEGH3sOmwmgQfRVluHAC4JBYgs2mto1PNLP4=";
   };
 
   nativeBuildInputs = [