diff --git a/build.gradle b/build.gradle
index 6bd2352..d8ac0f0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,7 +36,7 @@ dependencies {
 
     implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5'
 
-    implementation 'com.github.ben-manes.caffeine:caffeine:3.1.5'
+    implementation 'com.github.ben-manes.caffeine:caffeine:3.1.7'
 
     implementation 'commons-cli:commons-cli:1.5.0'
     implementation 'commons-beanutils:commons-beanutils:1.9.4'