diff --git a/pkgs/tools/graphics/cfdg/default.nix b/pkgs/tools/graphics/cfdg/default.nix
index 1fd4d3324a0..8122e5a5ec2 100644
--- a/pkgs/tools/graphics/cfdg/default.nix
+++ b/pkgs/tools/graphics/cfdg/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   pname = "cfdg";
-  version = "3.2_2";
+  version = "3.3";
   src = fetchFromGitHub {
     owner = "MtnViewJohn";
     repo = "context-free";
     rev = "Version${version}";
-    sha256 = "14v1gya7h0p9dj16hw87wpmjfddmkz537w3kjvaribgxxp0gzyz5";
+    sha256 = "13m8npccacmgxbs4il45zw53dskjh53ngv2nxahwqw8shjrws4mh";
   };
 
   buildInputs = [ libpng bison flex ffmpeg icu ];