diff --git a/pkgs/development/tools/misc/astyle/default.nix b/pkgs/development/tools/misc/astyle/default.nix
index bab974cc9ca6..880530511e1b 100644
--- a/pkgs/development/tools/misc/astyle/default.nix
+++ b/pkgs/development/tools/misc/astyle/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "astyle";
-  version = "3.4.11";
+  version = "3.4.12";
 
   src = fetchurl {
     url = "mirror://sourceforge/${pname}/${pname}-${version}.tar.bz2";
-    hash = "sha256-FbIrxsvAOMzYzvOATv7ALzXG8lOLdck7x/duTemKupI=";
+    hash = "sha256-B3RZsp9zhvJWnBQsaKW2YHaAsMvaAhAgn/6m/w9atg4=";
   };
 
   nativeBuildInputs = [ cmake ];