diff --git a/distributedlog-benchmark/pom.xml b/distributedlog-benchmark/pom.xml
index 768ff0b..1184907 100644
--- a/distributedlog-benchmark/pom.xml
+++ b/distributedlog-benchmark/pom.xml
@@ -41,6 +41,11 @@
       <version>${finagle.version}</version>
     </dependency>
     <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <version>${slf4j.version}</version>
+    </dependency>
+    <dependency>
       <groupId>org.apache.distributedlog</groupId>
       <artifactId>distributedlog-core</artifactId>
       <version>${project.parent.version}</version>
diff --git a/distributedlog-service/pom.xml b/distributedlog-service/pom.xml
index 43b3349..eaccb6b 100644
--- a/distributedlog-service/pom.xml
+++ b/distributedlog-service/pom.xml
@@ -112,6 +112,11 @@
       <version>${scrooge.version}</version>
     </dependency>
     <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <version>${slf4j.version}</version>
+    </dependency>
+    <dependency>
       <groupId>org.apache.curator</groupId>
       <artifactId>curator-test</artifactId>
       <version>${curator.version}</version>