diff --git a/docker/python-base/Dockerfile b/docker/python-base/Dockerfile
index 60158d9522..33d4a6f0e0 100644
--- a/docker/python-base/Dockerfile
+++ b/docker/python-base/Dockerfile
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Comment to force rebuilds 2021-02-19 19:09UTC
+
 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 176f8fc125..fe966fb519 100644
--- a/docker/python-builder/Dockerfile
+++ b/docker/python-builder/Dockerfile
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Comment to force rebuilds 2021-02-19 19:09UTC
+
 ARG PYTHON_VERSION=3.7
 FROM docker.io/library/python:${PYTHON_VERSION}-slim as fake-python