diff --git a/pkgs/development/python-modules/psd-tools/default.nix b/pkgs/development/python-modules/psd-tools/default.nix
index b832b7051e3c..a4be2b11d5e0 100644
--- a/pkgs/development/python-modules/psd-tools/default.nix
+++ b/pkgs/development/python-modules/psd-tools/default.nix
@@ -14,13 +14,13 @@
 
 buildPythonPackage rec {
   pname = "psd-tools";
-  version = "1.9.21";
+  version = "1.9.22";
 
   src = fetchFromGitHub {
     owner = "psd-tools";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-+nqN7DJHbr7XkfG0oUQkWcxv+krR8DlQndAQCvnBk3s=";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-T3/KLirU69Mdu7pQ6NFEVzhesaYhYsdK6DjTJQivPBQ=";
   };
 
   nativeBuildInputs = [ cython ];