diff --git a/pom.xml b/pom.xml
index 3b2a4100..dffe086a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -174,8 +174,8 @@
         <commons.conf.version>1.10</commons.conf.version>
         <hamcrest.version>1.3</hamcrest.version>
         <!-- 2.12+ shades guava -->
-        <curator.version>4.2.0</curator.version>
-        <zookeeper.version>3.5.9</zookeeper.version>
+        <curator.version>5.4.0</curator.version>
+        <zookeeper.version>3.8.1</zookeeper.version>
         <snakeyaml.version>1.33</snakeyaml.version>
         <beanutils.version>1.9.4</beanutils.version>
         <commons-io.version>2.11.0</commons-io.version>