diff --git a/pkgs/data/themes/adw-gtk3/default.nix b/pkgs/data/themes/adw-gtk3/default.nix
index b7c144441104..27811203c86e 100644
--- a/pkgs/data/themes/adw-gtk3/default.nix
+++ b/pkgs/data/themes/adw-gtk3/default.nix
@@ -9,13 +9,13 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "adw-gtk3";
-  version = "4.5";
+  version = "4.9";
 
   src = fetchFromGitHub {
     owner = "lassekongo83";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-x6ul5NZDWqEQfLzmpR7X5HgUmHNSbpuTnCquVEHFHL8=";
+    sha256 = "sha256-ni1u6696jrwjYZ4gppF9yD1RAum0+D7WxQgu09cxVGg=";
   };
 
   nativeBuildInputs = [