diff --git a/tests.py b/tests.py
index 5ca3035b6cb224408988cb6bd2f3e49c480ac8b8..1fd13cd0e344d891620a7d634868c03d9265e86b 100644
--- a/tests.py
+++ b/tests.py
@@ -321,6 +321,8 @@ def test_install_environment_zlib():
     # install again to ensure that 
     # commands that skip creation of folders when 
     # they are already present works as expected
+    # reload the module to ensure that date changes
+    importlib.reload(mod)
     mod.install_environment(
         mpsd_release=mpsd_release_to_test,
         toolchains=[toolchain_to_test],