diff --git a/pom.xml b/pom.xml
index 35e9c03e..cc285864 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,7 +104,7 @@
     <xstream.version>1.4.21</xstream.version>
     <plexus-interactivity-api.version>1.3</plexus-interactivity-api.version>
     <takari-smart-builder.version>1.0.2</takari-smart-builder.version>
-    <testcontainers.version>1.20.4</testcontainers.version>
+    <testcontainers.version>1.21.3</testcontainers.version>
   </properties>
 
   <dependencyManagement>