diff --git a/pkgs/development/python-modules/pescea/default.nix b/pkgs/development/python-modules/pescea/default.nix
index b80f5058cae8..d2accd221df0 100644
--- a/pkgs/development/python-modules/pescea/default.nix
+++ b/pkgs/development/python-modules/pescea/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "pescea";
-  version = "1.0.11";
+  version = "1.0.12";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -19,8 +19,9 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "lazdavila";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-yiBtvD7kCqR/F4yoJa5rIOekYy8+zlJh849Jv+HkA4M=";
+    # https://github.com/lazdavila/pescea/issues/4
+    rev = "a3dd7deedc64205e24adbc4ff406a2f6aed3b240";
+    hash = "sha256-5TkFrGaSkQOORhf5a7SjkzggFLPyqe9k3M0B4ljhWTQ=";
   };
 
   propagatedBuildInputs = [