diff --git a/pkgs/development/python-modules/pytest-sanic/default.nix b/pkgs/development/python-modules/pytest-sanic/default.nix
index 3cea788643ca..761f4deed2dc 100644
--- a/pkgs/development/python-modules/pytest-sanic/default.nix
+++ b/pkgs/development/python-modules/pytest-sanic/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "pytest-sanic";
-  version = "1.7.1";
+  version = "1.8.1";
 
   src = fetchFromGitHub {
     owner = "yunstanford";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-OtyulpSHUWERtcIRT5j3YtHciIxFiIFYKqtlEd1NSFw=";
+    sha256 = "128qxpqilqjhpjzjzzfzsgi4bc0vxwmz0k3xwry6fwhyzcf2bzl5";
   };
 
   buildInputs = [