diff --git a/alarmclock/build.gradle b/alarmclock/build.gradle
index 01542d5..9d1b137 100644
--- a/alarmclock/build.gradle
+++ b/alarmclock/build.gradle
@@ -12,7 +12,7 @@ run {
 }
 
 dependencies {
-    implementation 'io.dropwizard:dropwizard-core:2.1.12'
+    implementation 'io.dropwizard:dropwizard-core:4.0.6'
     implementation 'com.google.guava:guava:33.0.0-jre'
     implementation project(':lib.externalalarmclock')
     implementation project(':lib.rpiws281x')