diff --git a/tests/docker-stacks-foundation/test_packages.py b/tests/docker-stacks-foundation/test_packages.py
index a1f7f755..2693270f 100644
--- a/tests/docker-stacks-foundation/test_packages.py
+++ b/tests/docker-stacks-foundation/test_packages.py
@@ -75,6 +75,7 @@ EXCLUDED_PACKAGES = [
     "grpcio",
     "hdf5",
     "jupyterlab-git",
+    "mamba!",
     "openssl",
     "pandas[version='>",
     "protobuf",