diff --git a/core/build.gradle b/core/build.gradle
index 77e3054..d6d32d2 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -12,4 +12,7 @@ dependencies {
     compile (group: 'com.google.guava', name: 'guava', version: '24.1-jre')
     /* Named Binary Tags */
     compile (group: 'com.flowpowered', name: 'flow-nbt', version: '1.0.0')
+
+    /* Simple log */
+    testCompile (group: 'org.slf4j', name: 'slf4j-simple', version: slf4j_version)
 }