diff --git a/lapis/build.gradle b/lapis/build.gradle
index 562d4a04b..d8a0914cb 100644
--- a/lapis/build.gradle
+++ b/lapis/build.gradle
@@ -54,7 +54,7 @@ dependencies {
         exclude group: "org.mockito"
     }
     testImplementation 'com.ninja-squad:springmockk:5.0.1'
-    testImplementation 'org.mock-server:mockserver-netty:5.15.0'
+    testImplementation 'org.mock-server:mockserver-netty:6.0.0'
     testImplementation platform("io.jsonwebtoken:jjwt-bom:0.13.0")
     testImplementation "io.jsonwebtoken:jjwt-api"
     testImplementation "io.jsonwebtoken:jjwt-impl"