diff --git a/modules/mysql/build.gradle b/modules/mysql/build.gradle
index 9df2e177d3f..607ade5b34d 100644
--- a/modules/mysql/build.gradle
+++ b/modules/mysql/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     compileOnly 'dev.miku:r2dbc-mysql:0.8.2.RELEASE'
 
     testCompile project(':jdbc-test')
-    testCompile 'mysql:mysql-connector-java:8.0.21'
+    testCompile 'mysql:mysql-connector-java:8.0.31'
 
     testCompile testFixtures(project(':r2dbc'))
     testCompile 'dev.miku:r2dbc-mysql:0.8.1.RELEASE'