diff --git a/pkgs/development/python-modules/openapi-spec-validator/default.nix b/pkgs/development/python-modules/openapi-spec-validator/default.nix
index 4624bdaae471..5bcbca949fd1 100644
--- a/pkgs/development/python-modules/openapi-spec-validator/default.nix
+++ b/pkgs/development/python-modules/openapi-spec-validator/default.nix
@@ -22,7 +22,7 @@
 
 buildPythonPackage rec {
   pname = "openapi-spec-validator";
-  version = "0.5.5";
+  version = "0.5.6";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -32,7 +32,7 @@ buildPythonPackage rec {
     owner = "p1c2u";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-t7u0p6V2woqIFsqywv7k5s5pbbnmcn45YnlFWH1PEi4=";
+    hash = "sha256-BIGHaZhrEc7wcIesBIXdVRzozllCNOz67V+LmQfZ8oY=";
   };
 
   nativeBuildInputs = [