diff --git a/Dockerfile b/Dockerfile
index 3d07c78..658ea57 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -114,6 +114,7 @@ RUN \
     locales && \
   echo "**** install packages ****" && \
   apt-get install -y \
+    catatonit \
     cron \
     curl \
     gnupg \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 04343d0..35c6a92 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -114,6 +114,7 @@ RUN \
     locales && \
   echo "**** install packages ****" && \
   apt-get install -y \
+    catatonit \
     cron \
     curl \
     gnupg \