diff --git a/build.gradle b/build.gradle
index f6fa9ef9..ccb91174 100644
--- a/build.gradle
+++ b/build.gradle
@@ -38,7 +38,7 @@ repositories {
 
 dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion"
-    testCompile "org.assertj:assertj-core:3.17.0"
+    testCompile "org.assertj:assertj-core:3.17.1"
 }
 
 intellij {