diff --git a/oeffi/build.gradle b/oeffi/build.gradle
index 55ba4b4..4fff936 100644
--- a/oeffi/build.gradle
+++ b/oeffi/build.gradle
@@ -25,7 +25,7 @@ dependencies {
     implementation 'com.squareup.okhttp3:logging-interceptor:3.12.13'
     implementation 'com.google.guava:guava:31.1-android'
     implementation 'org.osmdroid:osmdroid-android:6.1.14'
-    implementation 'org.slf4j:slf4j-api:2.0.7'
+    implementation 'org.slf4j:slf4j-api:2.0.9'
     implementation 'com.github.tony19:logback-android:3.0.0'
     testImplementation 'junit:junit:4.13.2'
 }