diff --git a/docker/python-base/Dockerfile b/docker/python-base/Dockerfile
index 33d4a6f0e0..a0f588c1f8 100644
--- a/docker/python-base/Dockerfile
+++ b/docker/python-base/Dockerfile
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Comment to force rebuilds 2021-02-19 19:09UTC
+# Comment to force rebuilds Thu 06 May 2021 12:34:57 AEST
 
 ARG PYTHON_VERSION=3.7
 FROM docker.io/library/python:${PYTHON_VERSION}-slim
diff --git a/docker/python-builder/Dockerfile b/docker/python-builder/Dockerfile
index fe966fb519..63257082cd 100644
--- a/docker/python-builder/Dockerfile
+++ b/docker/python-builder/Dockerfile
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Comment to force rebuilds 2021-02-19 19:09UTC
+# Comment to force rebuilds Thu 06 May 2021 12:35:27 AEST
 
 ARG PYTHON_VERSION=3.7
 FROM docker.io/library/python:${PYTHON_VERSION}-slim as fake-python