diff --git a/build/redis/init.sh.tpl b/build/redis/init.sh.tpl
index 9d8f288c4..d92592234 100644
--- a/build/redis/init.sh.tpl
+++ b/build/redis/init.sh.tpl
@@ -23,10 +23,10 @@ set -eu
 sentinel_get_master() {
 set +e
     if [ "$SENTINEL_PORT" -eq 0 ]; then
-        redis-cli -h "${SERVICE}" -p "${SENTINEL_TLS_PORT}" --tls --cacert /app/config/redis/tls/tls.crt sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
+        timeout 3 redis-cli -h "${SERVICE}" -p "${SENTINEL_TLS_PORT}" --tls --cacert /app/config/redis/tls/tls.crt sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
         grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
     else
-        redis-cli -h "${SERVICE}" -p "${SENTINEL_PORT}"  sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
+        timeout 3 redis-cli -h "${SERVICE}" -p "${SENTINEL_PORT}"  sentinel get-master-addr-by-name "${MASTER_GROUP}" |\
         grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
     fi
 set -e