diff --git a/alpine-ssh-client/Dockerfile b/alpine-ssh-client/Dockerfile
index b72b21cecfc98bfe31417a10b031a93b28832c2a..b0b475b24734569ac4b65cc2df28814b584de3bd 100644
--- a/alpine-ssh-client/Dockerfile
+++ b/alpine-ssh-client/Dockerfile
@@ -36,5 +36,6 @@ RUN mkdir -p ~/.ssh && chmod 700 ~/.ssh \
                       its-lampinteg2.unl.edu,144.216.202.38 \
                       its-lampstage2.unl.edu,144.216.202.43 \
                       its-lampprod2.unl.edu,144.216.202.44 \
+                      its-lampprod3.unl.edu,144.216.202.55 \
                       its-ads-museum-reservations1.unl.edu,144.216.202.10 \
                       >> ~/.ssh/known_hosts