diff --git a/pkgs/development/python-modules/pypdf/default.nix b/pkgs/development/python-modules/pypdf/default.nix
index e95e1b7f8170..8ef95974bdad 100644
--- a/pkgs/development/python-modules/pypdf/default.nix
+++ b/pkgs/development/python-modules/pypdf/default.nix
@@ -27,7 +27,7 @@
 
 buildPythonPackage rec {
   pname = "pypdf";
-  version = "6.4.0";
+  version = "6.4.2";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -38,7 +38,7 @@ buildPythonPackage rec {
     tag = version;
     # fetch sample files used in tests
     fetchSubmodules = true;
-    hash = "sha256-QCMOB0qnxVPo8fGcf+TsEcBYYINXVbDCowrLUqNjojw=";
+    hash = "sha256-GkCNw7XvDPvLIiIUAgXsTLQ2OBbqhpf3xHQZpB/f2ys=";
   };
 
   outputs = [