diff --git a/dockerfiles/alpine/obbi/dashboard/Dockerfile b/dockerfiles/alpine/obbi/dashboard/Dockerfile
index 04e294e..e2e4216 100644
--- a/dockerfiles/alpine/obbi/dashboard/Dockerfile
+++ b/dockerfiles/alpine/obbi/dashboard/Dockerfile
@@ -49,7 +49,10 @@ RUN \
 # copy init script to user home
 COPY --chown=wso2carbon:wso2 docker-entrypoint.sh ${USER_HOME}/
 # install required packages
-RUN apk add --no-cache netcat-openbsd
+RUN \
+    apk add --no-cache \
+        bash \
+        netcat-openbsd
 # add the WSO2 product distribution to user's home directory
 RUN \
     wget --no-check-certificate -O ${WSO2_SERVER}.zip "${WSO2_SERVER_DIST_URL}" \
diff --git a/dockerfiles/alpine/obbi/worker/Dockerfile b/dockerfiles/alpine/obbi/worker/Dockerfile
index 2c45e99..a034021 100644
--- a/dockerfiles/alpine/obbi/worker/Dockerfile
+++ b/dockerfiles/alpine/obbi/worker/Dockerfile
@@ -52,7 +52,10 @@ RUN \
 # copy init script to user home
 COPY --chown=wso2carbon:wso2 docker-entrypoint.sh ${USER_HOME}/
 # install required packages
-RUN apk add --no-cache netcat-openbsd
+RUN \
+    apk add --no-cache \
+        bash \
+        netcat-openbsd
 # add the WSO2 product distribution to user's home directory
 RUN \
     wget --no-check-certificate -O ${WSO2_SERVER}.zip "${WSO2_SERVER_DIST_URL}" \
diff --git a/dockerfiles/alpine/obkm/Dockerfile b/dockerfiles/alpine/obkm/Dockerfile
index 22d2d69..b7d7b86 100644
--- a/dockerfiles/alpine/obkm/Dockerfile
+++ b/dockerfiles/alpine/obkm/Dockerfile
@@ -62,7 +62,10 @@ RUN \
 # copy init script to user home
 COPY --chown=wso2carbon:wso2 docker-entrypoint.sh ${USER_HOME}/
 # install required packages
-RUN apk add --no-cache netcat-openbsd
+RUN \
+    apk add --no-cache \
+        bash \
+        netcat-openbsd
 # add the WSO2 product distribution to user's home directory
 RUN \
     wget --no-check-certificate -O ${WSO2_SERVER}.zip "${WSO2_SERVER_DIST_URL}" \