diff --git a/pkgs/development/python-modules/pyreadstat/default.nix b/pkgs/development/python-modules/pyreadstat/default.nix
index decc01817c88..b447408dec6f 100644
--- a/pkgs/development/python-modules/pyreadstat/default.nix
+++ b/pkgs/development/python-modules/pyreadstat/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "pyreadstat";
-  version = "1.3.3";
+  version = "1.3.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Roche";
     repo = "pyreadstat";
     tag = "v${version}";
-    hash = "sha256-CXZ9edMmup4+/2lImt6Zy19RIqGig1sUIK35snvIFEk=";
+    hash = "sha256-DC8iNv+4JpqdLq8op5gSHJEnodW+mc8utE7HCezcqpM=";
   };
 
   build-system = [