diff --git a/python_testcontainers/infrahub_testcontainers/helpers.py b/python_testcontainers/infrahub_testcontainers/helpers.py
index 691ae44da8..39e5917cd9 100644
--- a/python_testcontainers/infrahub_testcontainers/helpers.py
+++ b/python_testcontainers/infrahub_testcontainers/helpers.py
@@ -12,7 +12,7 @@
 class TestInfrahubDocker:
     @pytest.fixture(scope="class")
     def infrahub_version(self) -> str:
-        return infrahub_version
+        return os.getenv("INFRAHUB_TESTING_IMAGE_VER") or infrahub_version
 
     @staticmethod
     def execute_ctl_run(address: str, script: str) -> str: