diff --git a/Dockerfile b/Dockerfile
index 0b2cb7c..35ea249 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -111,6 +111,7 @@ RUN \
     locales && \
   echo "**** install packages ****" && \
   apt-get install -y \
+    catatonit \
     cron \
     curl \
     gnupg \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index bac994a..2e9e336 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -111,6 +111,7 @@ RUN \
     locales && \
   echo "**** install packages ****" && \
   apt-get install -y \
+    catatonit \
     cron \
     curl \
     gnupg \