diff --git a/spanner-tools/spanner_cdc_loadtest/pom.xml b/spanner-tools/spanner_cdc_loadtest/pom.xml
index 2da8236..bd35e46 100644
--- a/spanner-tools/spanner_cdc_loadtest/pom.xml
+++ b/spanner-tools/spanner_cdc_loadtest/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.14.0</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>