diff --git a/spring-vault-dependencies/pom.xml b/spring-vault-dependencies/pom.xml
index c3095dde..1752e31f 100644
--- a/spring-vault-dependencies/pom.xml
+++ b/spring-vault-dependencies/pom.xml
@@ -59,8 +59,8 @@
 	<properties>
 		<httpclient.version>4.5.3</httpclient.version>
 		<httpcore.version>4.4.6</httpcore.version>
-		<netty.version>4.1.9.Final</netty.version>
-		<okhttp3.version>3.7.0</okhttp3.version>
+		<netty.version>4.1.13.Final</netty.version>
+		<okhttp3.version>3.8.0</okhttp3.version>
 		<jackson.version>2.9.0.pr4</jackson.version>
 	</properties>