diff --git a/Dockerfiles/server-pgsql/alpine/Dockerfile b/Dockerfiles/server-pgsql/alpine/Dockerfile
index d9ed3143d..a3697a35b 100644
--- a/Dockerfiles/server-pgsql/alpine/Dockerfile
+++ b/Dockerfiles/server-pgsql/alpine/Dockerfile
@@ -45,6 +45,7 @@ RUN set -eux && \
             fping \
             tzdata \
             iputils \
+            libcap \
             libcurl \
             libevent \
             libldap \