diff --git a/divviup/build.gradle.kts b/divviup/build.gradle.kts
index a3deedf..683bc84 100644
--- a/divviup/build.gradle.kts
+++ b/divviup/build.gradle.kts
@@ -35,7 +35,7 @@ dependencies {
     testImplementation("com.squareup.okhttp3:mockwebserver:4.12.0")
     testImplementation("org.testcontainers:testcontainers:1.19.1")
     testImplementation("com.fasterxml.jackson.core:jackson-databind:2.15.3")
-    testImplementation("ch.qos.logback:logback-core:1.3.5")
+    testImplementation("ch.qos.logback:logback-core:1.4.11")
     testImplementation("ch.qos.logback:logback-classic:1.4.11")
     androidTestImplementation(project(":divviup:commontest"))
     androidTestImplementation("androidx.test.ext:junit:1.1.5")