diff --git a/pkgs/development/python-modules/i-pi/default.nix b/pkgs/development/python-modules/i-pi/default.nix
index 56f12cca135f..32bccc45e385 100644
--- a/pkgs/development/python-modules/i-pi/default.nix
+++ b/pkgs/development/python-modules/i-pi/default.nix
@@ -17,14 +17,14 @@
 
 buildPythonPackage rec {
   pname = "i-pi";
-  version = "3.1.7";
+  version = "3.1.8";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "i-pi";
     repo = "i-pi";
     tag = "v${version}";
-    hash = "sha256-AeHZWzgV0pqlKNdDCuAglpTDm3M8PWKDGvPw3lyQdF8=";
+    hash = "sha256-EiCKx1Hv7Aan8iMtSnjI28iUtyUTMIzxCUO97C0w00I=";
   };
 
   build-system = [