diff --git a/pkgs/development/python-modules/pyicu/default.nix b/pkgs/development/python-modules/pyicu/default.nix
index 51461e392bce..8dd0fb09c740 100644
--- a/pkgs/development/python-modules/pyicu/default.nix
+++ b/pkgs/development/python-modules/pyicu/default.nix
@@ -9,13 +9,13 @@
 
 buildPythonPackage rec {
   pname = "pyicu";
-  version = "2.12";
+  version = "2.13.1";
   format = "setuptools";
 
   src = fetchPypi {
     pname = "PyICU";
     inherit version;
-    hash = "sha256-vXq176k61pLm2qKc0kk2TlISGDKSIXJqETyjyygchhE=";
+    hash = "sha256-1JGQheqgfaErrejuch57v3reAVHKD4KUaibI9LmM3Os=";
   };
 
   nativeBuildInputs = [ icu ]; # for icu-config, but should be replaced with pkg-config