diff --git a/vtm-tests/build.gradle b/vtm-tests/build.gradle
index e26884ff..df6279c5 100644
--- a/vtm-tests/build.gradle
+++ b/vtm-tests/build.gradle
@@ -7,6 +7,7 @@ dependencies {
     testCompile 'junit:junit:4.11'
     testCompile 'org.easytesting:fest-assert-core:2.0M10'
     testCompile 'org.mockito:mockito-all:1.9.5'
+    testCompile 'org.slf4j:slf4j-simple:1.7.21'
 }
 
 sourceSets {