diff --git a/pkgs/development/python-modules/prometheus-api-client/default.nix b/pkgs/development/python-modules/prometheus-api-client/default.nix
index 93cf3ed6f1b3..f97c8001ef11 100644
--- a/pkgs/development/python-modules/prometheus-api-client/default.nix
+++ b/pkgs/development/python-modules/prometheus-api-client/default.nix
@@ -13,14 +13,14 @@
 
 buildPythonPackage rec {
   pname = "prometheus-api-client";
-  version = "0.5.6";
+  version = "0.5.7";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "4n4nd";
     repo = "prometheus-api-client-python";
     tag = "v${version}";
-    hash = "sha256-0vnG0m+RV2Z9GIMJ/R0edjcjyPH1OvB8zERCMeyRuRg=";
+    hash = "sha256-XmsBEGerEA7kEigkVpDYpe1UfEKvEzV/0uY3sffRC7s=";
   };
 
   propagatedBuildInputs = [