diff --git a/pkgs/development/tools/parsing/javacc/default.nix b/pkgs/development/tools/parsing/javacc/default.nix
index 0279ef8f89df..9af0b7374598 100644
--- a/pkgs/development/tools/parsing/javacc/default.nix
+++ b/pkgs/development/tools/parsing/javacc/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "javacc";
-  version = "7.0.12";
+  version = "7.0.13";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "${pname}-${version}";
-    sha256 = "sha256-tDtstF3ivKjG01vOZ8Ga1zTjIZFSTWt5QPY1VQvyFMU=";
+    sha256 = "sha256-nDJvKIbJc23Tvfn7Zqvt5tDDffNf4KQ0juGQQCZ+i1c=";
   };
 
   nativeBuildInputs = [ ant jdk makeWrapper ];