diff --git a/modell/build.gradle.kts b/modell/build.gradle.kts
index 594da619..3ec56a6d 100644
--- a/modell/build.gradle.kts
+++ b/modell/build.gradle.kts
@@ -11,5 +11,5 @@ dependencies {
 
     testImplementation("org.junit.jupiter:junit-jupiter-params:${libs.versions.junit.get()}")
     testImplementation(libs.mockk)
-    testImplementation("com.approvaltests:approvaltests:21.0.0")
+    testImplementation("com.approvaltests:approvaltests:21.1.0")
 }