diff --git a/pkgs/by-name/az/azure-cli/extensions-manual.nix b/pkgs/by-name/az/azure-cli/extensions-manual.nix
index e8c083fb45c1..47271101f418 100644
--- a/pkgs/by-name/az/azure-cli/extensions-manual.nix
+++ b/pkgs/by-name/az/azure-cli/extensions-manual.nix
@@ -73,6 +73,7 @@
     url = "https://azcliprod.blob.core.windows.net/cli-extensions/application_insights-${version}-py2.py3-none-any.whl";
     hash = "sha256-4akS+zbaKxFrs0x0uKP/xX28WyK5KLduOkgZaBYeANM=";
     description = "Support for managing Application Insights components and querying metrics, events, and logs from such components";
+    pythonRelaxDeps = [ "isodate" ];
     propagatedBuildInputs = with python3Packages; [ isodate ];
     meta.maintainers = with lib.maintainers; [ andreasvoss ];
   };