diff --git a/build.gradle b/build.gradle
index b79715fd..1a187543 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,7 +39,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-params:5.10.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.2'
-    testImplementation 'com.approvaltests:approvaltests:22.3.3'
+    testImplementation 'com.approvaltests:approvaltests:22.4.0'
     testImplementation "org.http4k:http4k-testing-approval"
     testImplementation "org.http4k:http4k-testing-hamkrest"