diff --git a/build.gradle b/build.gradle
index bf7140d3c3..92b7f9d7d9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -169,7 +169,7 @@ configure(allprojects) { project ->
 		}
 		testCompile("io.mockk:mockk:1.9.3")
 		testCompile("org.hamcrest:hamcrest-all:1.3")
-		testCompile("org.assertj:assertj-core:3.12.2")
+		testCompile("org.assertj:assertj-core:3.13.0")
 		// Pull in the latest JUnit 5 Launcher API and the Vintage engine as well
 		// so that we can run JUnit 4 tests in IDEs.
 		testRuntime("org.junit.platform:junit-platform-launcher")