diff --git a/alarmclock/build.gradle b/alarmclock/build.gradle
index 9db96ab..1d83f5e 100644
--- a/alarmclock/build.gradle
+++ b/alarmclock/build.gradle
@@ -12,7 +12,7 @@ run {
 }
 
 dependencies {
-    implementation 'io.dropwizard:dropwizard-core:2.1.8'
+    implementation 'io.dropwizard:dropwizard-core:2.1.9'
     implementation 'com.google.guava:guava:32.1.3-jre'
     implementation project(':lib.externalalarmclock')
     implementation project(':lib.rpiws281x')