diff --git a/pkgs/development/python-modules/python-pidfile/default.nix b/pkgs/development/python-modules/python-pidfile/default.nix
index f2ba27897b4..4bcc21ba1c7 100644
--- a/pkgs/development/python-modules/python-pidfile/default.nix
+++ b/pkgs/development/python-modules/python-pidfile/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "python-pidfile";
-  version = "3.0.0";
+  version = "3.1.1";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-HhCX30G8dfV0WZ/++J6LIO/xvfyRkdPtJkzC2ulUKdA=";
+    hash = "sha256-pgQBL2iagsHMRFEKI85ZwyaIL7kcIftAy6s+lX958M0=";
   };
 
   propagatedBuildInputs = [