diff --git a/pkgs/tools/graphics/blockhash/default.nix b/pkgs/tools/graphics/blockhash/default.nix
index 4f63cf90a3ae..0a08e0cd31ff 100644
--- a/pkgs/tools/graphics/blockhash/default.nix
+++ b/pkgs/tools/graphics/blockhash/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "blockhash";
-  version = "0.3.2";
+  version = "0.3.3";
 
   src = fetchFromGitHub {
     owner = "commonsmachinery";
     repo = "blockhash";
     rev = "v${version}";
-    sha256 = "0x3lvhnkb4c3pyq6p81qnnqimz35wpippiac506dgjx3b1848v35";
+    sha256 = "sha256-QoqFTCfWtXIrFF3Yx4NfOa9cSjHtCSKz3k3i0u9Qx9M=";
   };
 
   nativeBuildInputs = [ python3 pkg-config wafHook ];