diff --git a/build.gradle b/build.gradle
index f17d892..be0fed2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ group 'org.wiremock.extensions'
 project.ext {
     versions = [
             caffeine  : '3.2.4',
-            handlebars: '4.3.1',
+            handlebars: '4.5.3',
             wiremock  : '3.13.2'
     ]
 }