diff --git a/8.1/Dockerfile b/8.1/Dockerfile
index 0693523..9db36e4 100644
--- a/8.1/Dockerfile
+++ b/8.1/Dockerfile
@@ -23,6 +23,7 @@ RUN apk add --no-cache \
     oniguruma-dev \
     yarn \
     openssh-client \
+    postgresql-client\
     postgresql-libs \
     rsync \
     zlib-dev
diff --git a/8.2/Dockerfile b/8.2/Dockerfile
index 96b380e..66500c6 100644
--- a/8.2/Dockerfile
+++ b/8.2/Dockerfile
@@ -23,6 +23,7 @@ RUN apk add --no-cache \
     oniguruma-dev \
     yarn \
     openssh-client \
+    postgresql-client\
     postgresql-libs \
     rsync \
     zlib-dev
diff --git a/8.3/Dockerfile b/8.3/Dockerfile
index e37b5ae..8adfd47 100644
--- a/8.3/Dockerfile
+++ b/8.3/Dockerfile
@@ -23,6 +23,7 @@ RUN apk add --no-cache \
     oniguruma-dev \
     yarn \
     openssh-client \
+    postgresql-client\
     postgresql-libs \
     rsync \
     zlib-dev