diff --git a/pkgs/applications/graphics/gimp/default.nix b/pkgs/applications/graphics/gimp/default.nix
index 18ace779c905..63f9f520e6f0 100644
--- a/pkgs/applications/graphics/gimp/default.nix
+++ b/pkgs/applications/graphics/gimp/default.nix
@@ -77,7 +77,7 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "gimp";
-  version = "2.99.10-unstable-2022-06-28";
+  version = "2.99.12-unstable-2022-08-31";
 
   outputs = [
     "out"
@@ -92,8 +92,8 @@ stdenv.mkDerivation (finalAttrs: {
     domain = "gitlab.gnome.org";
     owner = "GNOME";
     repo = "gimp";
-    rev = "256b2d9615af2ba6dfcfdc32cc34a437aee214b3";
-    hash = "sha256-ITL5nb8fka5Xj+6/JthGRTVVvTDd7LED49IuhZZNk4U=";
+    rev = "a791151ed05b6e2f7b0ecb71db8be9629d61f5df";
+    hash = "sha256-0IIQwJW/HwkvKmjrs2xOhbpyLvvqJ0PR3q75PF+b/Ac=";
   };
 
   patches = [
@@ -123,10 +123,6 @@ stdenv.mkDerivation (finalAttrs: {
     # https://salsa.debian.org/iso-codes-team/iso-codes/merge_requests/11
     ./fix-isocodes-paths.patch
 
-    # Skip broken dependency in Windows code.
-    # https://gitlab.gnome.org/GNOME/gimp/-/issues/7907
-    ./skip-win.patch
-
     # Make the babl-0.1 patch apply
     (fetchpatch {
       url = "https://gitlab.gnome.org/GNOME/gimp/-/commit/06b481a3ecf49563050935ad0e965a664648e450.patch";
@@ -248,6 +244,8 @@ stdenv.mkDerivation (finalAttrs: {
       "-Djpeg-xl=disabled"
       # Broken references
       "-Dgi-docgen=disabled"
+      # Removed pkg-config variable
+      "-Dheif=disabled"
     ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [
       "-Dalsa=disabled"
@@ -295,6 +293,8 @@ stdenv.mkDerivation (finalAttrs: {
       lib.makeBinPath [
         # for dot for gegl:introspect (Debug » Show Image Graph, hidden by default on stable release)
         graphviz
+        # for gimp-script-fu-interpreter-3.0 invoked by shebang of some plug-ins
+        "$out"
       ]
     }")
   '';
diff --git a/pkgs/applications/graphics/gimp/fix-isocodes-paths.patch b/pkgs/applications/graphics/gimp/fix-isocodes-paths.patch
index 32ed7babbf6a..cb10776d4802 100644
--- a/pkgs/applications/graphics/gimp/fix-isocodes-paths.patch
+++ b/pkgs/applications/graphics/gimp/fix-isocodes-paths.patch
@@ -1,11 +1,11 @@
 diff --git a/meson.build b/meson.build
-index a1ec1f67b6..8ce50973f7 100644
+index 6a19df48a1..3fd77077c1 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -864,8 +864,8 @@
+@@ -924,8 +924,8 @@ endif
  isocodes = dependency('iso-codes', required: false)
  if isocodes.found()
-   isocodes_prefix = isocodes.get_pkgconfig_variable('prefix')
+   isocodes_prefix = isocodes.get_variable(pkgconfig: 'prefix')
 -  isocodes_location = isocodes_prefix / get_option('datadir') / 'xml' / 'iso-codes'
 -  isocodes_localedir= isocodes_prefix / get_option('datadir') / 'locale'
 +  isocodes_location = isocodes_prefix / 'share' / 'xml' / 'iso-codes'
diff --git a/pkgs/applications/graphics/gimp/skip-win.patch b/pkgs/applications/graphics/gimp/skip-win.patch
deleted file mode 100644
index 5689862fe57a..000000000000
--- a/pkgs/applications/graphics/gimp/skip-win.patch
+++ /dev/null
@@ -1,10 +0,0 @@
-diff --git a/build/windows/meson.build b/build/windows/meson.build
-index 8df68256f6..9cd76ad660 100644
---- a/build/windows/meson.build
-+++ b/build/windows/meson.build
-@@ -1,4 +1,5 @@
- # Windows specific
-+subdir_done()
- 
- configure_file(
-   input : 'gimp-plug-ins.rc.in',