diff --git a/docker/bionic/buildbot-ca.crt b/docker/bionic/buildbot-ca.crt
new file mode 100644
index 0000000..193c41d
--- /dev/null
+++ b/docker/bionic/buildbot-ca.crt
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----