diff --git a/modules/mssqlserver/build.gradle b/modules/mssqlserver/build.gradle
index 9805ad9643c..ed0939184fd 100644
--- a/modules/mssqlserver/build.gradle
+++ b/modules/mssqlserver/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     compileOnly 'io.r2dbc:r2dbc-mssql:1.0.1.RELEASE'
 
     testImplementation project(':jdbc-test')
-    testImplementation 'com.microsoft.sqlserver:mssql-jdbc:12.3.1.jre8-preview'
+    testImplementation 'com.microsoft.sqlserver:mssql-jdbc:12.4.0.jre8-preview'
 
     testImplementation project(':r2dbc')
     testRuntimeOnly 'io.r2dbc:r2dbc-mssql:1.0.1.RELEASE'