diff --git a/defaults/main.yml b/defaults/main.yml
index b1ccdf4..bd52575 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -14,9 +14,9 @@
 # under the License.
 
 # Define zookepeer version and download URI
-zookeeper_download_version: 3.9.3
+zookeeper_download_version: 3.9.4
 zookeeper_download_version_checksum: >-
-  sha512:d44d870c1691662efbf1a8baf1859c901b820dc5ff163b36e81beb27b6fbf3cd31b5f1f075697edaaf6d3e7a4cb0cc92f924dcff64b294ef13d535589bdaf143
+  sha512:36bffae6440ed0d71ed83a621b8c52c583860b414812197373237f0c148bd16e6b599977c90e5eb81c0fce6b82ef44aa782621535417cffc4c2a0a51a56f2cdf
 zookeeper_download_url: >-
   https://archive.apache.org/dist/zookeeper/zookeeper-{{ zookeeper_download_version }}/apache-zookeeper-{{ zookeeper_download_version }}-bin.tar.gz