diff --git a/build.gradle b/build.gradle
index ea56fe74b9c..ac206016b71 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ configure(allprojects) { project ->
 	version = qualifyVersionIfNecessary(version)
 
 	ext.aspectjVersion       = "1.8.9"
-	ext.caffeineVersion      = "2.3.3"
+	ext.caffeineVersion      = "2.3.4"
 	ext.eclipselinkVersion   = "2.4.2"
 	ext.ehcacheVersion       = "2.10.3"
 	ext.ehcachejcacheVersion = "1.0.1"