diff --git a/oeffi/build.gradle b/oeffi/build.gradle
index 259ea77..6d0a58d 100644
--- a/oeffi/build.gradle
+++ b/oeffi/build.gradle
@@ -24,7 +24,7 @@ dependencies {
     implementation 'com.squareup.okhttp3:logging-interceptor:3.12.6'
     implementation 'com.google.guava:guava:28.1-android'
     implementation 'org.osmdroid:osmdroid-android:6.1.5'
-    implementation 'org.slf4j:slf4j-api:1.7.29'
+    implementation 'org.slf4j:slf4j-api:1.7.30'
     implementation 'com.github.tony19:logback-android:2.0.0'
     testImplementation 'junit:junit:4.13'
 }