Update Dockerfile

data-zookeeper/Dockerfile

@@ -29,7 +29,7 @@ RUN set -ex; \
     mkdir -p "$ZOO_DATA_LOG_DIR" "$ZOO_DATA_DIR" "$ZOO_CONF_DIR" "$ZOO_LOG_DIR"; \
     chown "$ZOO_USER:$ZOO_USER" "$ZOO_DATA_LOG_DIR" "$ZOO_DATA_DIR" "$ZOO_CONF_DIR" "$ZOO_LOG_DIR"
 
-ARG GPG_KEY=C61B346552DC5E0CB53AA84F59147497767E7473
+ARG GPG_KEY=3F7A1D16FA4217B1DC75E1C9FFE35B7F15DFA1BA
 ARG DISTRO_NAME=zookeeper-3.4.14
 
 # Download Apache Zookeeper, verify its PGP signature, untar and clean up