diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index 4313753..ebede4a 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -710,6 +710,13 @@
 
 ENV PYTHONPATH "/usr/local/lib/python3.8/site-packages/"
 
+# Sometimes the ubuntu key expires and we need a way to force an execution
+# of the apt-get commands for the dbgsym-keyring.  When this happens we see
+# an error like: "Release: The following signatures were invalid:"
+# Insert a bogus echo that we can change here when we get this error to force
+# the update.
+RUN echo "ubuntu keyserver rev as of 2021-04-21"
+
 # We need the keys to be imported for dbgsym repos
 # New releases have a package, older ones fall back to manual fetching
 # https://wiki.ubuntu.com/Debug%20Symbol%20Packages