diff --git a/ensure-zookeeper-env.sh b/ensure-zookeeper-env.sh
index fbc3c20d..ea496689 100755
--- a/ensure-zookeeper-env.sh
+++ b/ensure-zookeeper-env.sh
@@ -4,7 +4,7 @@ set -e
 
 HERE=`pwd`
 ZOO_BASE_DIR="$HERE/zookeeper"
-ZOOKEEPER_VERSION=${ZOOKEEPER_VERSION:-3.4.7}
+ZOOKEEPER_VERSION=${ZOOKEEPER_VERSION:-3.4.6}
 ZOOKEEPER_PATH="$ZOO_BASE_DIR/$ZOOKEEPER_VERSION"
 ZOO_MIRROR_URL="http://apache.osuosl.org/"