diff --git a/pkgs/development/python-modules/polib/default.nix b/pkgs/development/python-modules/polib/default.nix
index 6190824e68e1..64674365d6f9 100644
--- a/pkgs/development/python-modules/polib/default.nix
+++ b/pkgs/development/python-modules/polib/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "polib";
-  version = "1.1.1";
+  version = "1.2.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e02c355ae5e054912e3b0d16febc56510eff7e49d60bf22aecb463bd2f2a2dfa";
+    sha256 = "sha256-8++Urv7W4YPjQqiiaa4fxHQroZMYatdvF1k4Yh2/wms=";
   };
 
   # error: invalid command 'test'