diff --git a/pkgs/development/python-modules/sexpdata/default.nix b/pkgs/development/python-modules/sexpdata/default.nix
index 45c0224e30af..a4152882aa5e 100644
--- a/pkgs/development/python-modules/sexpdata/default.nix
+++ b/pkgs/development/python-modules/sexpdata/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "sexpdata";
-  version = "1.0.0";
+  version = "1.0.1";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-6NX3XDeKB8bRzGH62WEbRRyTg8AlMFLhYZioUuFiBwU=";
+    hash = "sha256-b2XxFSkYkMvOXNJpwTvfH4KkzSO8YbbhUKJ1Ee5qfV4=";
   };
 
   doCheck = false;