diff --git a/playground/backend/containers/go/entrypoint.sh b/playground/backend/containers/go/entrypoint.sh
index 63d77a6fef044..450b13be0aa04 100755
--- a/playground/backend/containers/go/entrypoint.sh
+++ b/playground/backend/containers/go/entrypoint.sh
@@ -21,6 +21,6 @@ do
 done
 openssl x509 -in /home/appuser/.mitmproxy/mitmproxy-ca.pem -inform PEM -out /home/appuser/.mitmproxy/mitmproxy-ca.crt
 cp /home/appuser/.mitmproxy/mitmproxy-ca.crt /usr/local/share/ca-certificates/extra/
-update-ca-certificates
+update-ca-certificates -v
 
 /opt/playground/backend/server_go_backend
diff --git a/playground/backend/containers/java/entrypoint.sh b/playground/backend/containers/java/entrypoint.sh
index 87305f61055af..d51f14551e010 100755
--- a/playground/backend/containers/java/entrypoint.sh
+++ b/playground/backend/containers/java/entrypoint.sh
@@ -21,6 +21,6 @@ do
 done
 openssl x509 -in /home/appuser/.mitmproxy/mitmproxy-ca.pem -inform PEM -out /home/appuser/.mitmproxy/mitmproxy-ca.crt
 cp /home/appuser/.mitmproxy/mitmproxy-ca.crt /usr/local/share/ca-certificates/extra/
-update-ca-certificates
+update-ca-certificates -v
 
 /opt/playground/backend/server_java_backend
diff --git a/playground/backend/containers/python/entrypoint.sh b/playground/backend/containers/python/entrypoint.sh
index 56768c3562957..2203f5436db1f 100755
--- a/playground/backend/containers/python/entrypoint.sh
+++ b/playground/backend/containers/python/entrypoint.sh
@@ -21,7 +21,7 @@ do
 done
 openssl x509 -in /home/appuser/.mitmproxy/mitmproxy-ca.pem -inform PEM -out /home/appuser/.mitmproxy/mitmproxy-ca.crt
 cp /home/appuser/.mitmproxy/mitmproxy-ca.crt /usr/local/share/ca-certificates/extra/
-update-ca-certificates
+update-ca-certificates -v
 cat /home/appuser/.mitmproxy/mitmproxy-ca.pem >> /usr/local/lib/python3.7/site-packages/certifi/cacert.pem
 
 /opt/playground/backend/server_python_backend