diff --git a/metafix/build.gradle b/metafix/build.gradle
index f90c61a7..750e5ae1 100644
--- a/metafix/build.gradle
+++ b/metafix/build.gradle
@@ -20,6 +20,7 @@ dependencies {
   implementation "org.eclipse.xtext:org.eclipse.xtext:${versions.xtext}"
   implementation "org.eclipse.xtext:org.eclipse.xtext.xbase:${versions.xtext}"
   implementation "org.slf4j:slf4j-api:${versions.slf4j}"
+  implementation "org.slf4j:slf4j-log4j12:${versions.slf4j}"
 
   testImplementation "org.junit.jupiter:junit-jupiter-api:${versions.junit_jupiter}"
   testImplementation "org.junit.platform:junit-platform-launcher:${versions.junit_platform}"