diff --git a/pkgs/development/python-modules/psd-tools/default.nix b/pkgs/development/python-modules/psd-tools/default.nix
index 1f28bf2a244d..f6ffef6ea727 100644
--- a/pkgs/development/python-modules/psd-tools/default.nix
+++ b/pkgs/development/python-modules/psd-tools/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "psd-tools";
-  version = "1.9.33";
+  version = "1.9.34";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     owner = "psd-tools";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-4Y4VLfGwopfeIppxwvGKSuelUDAXg67rM/ES9BrTP24=";
+    hash = "sha256-UFdprXoHFsbH3Tbui44n8FTdbkynnYVL1LHtFzFInio=";
   };
 
   postPatch = ''