diff --git a/google-cloud-firestore/pom.xml b/google-cloud-firestore/pom.xml
index 87ddbf486..3e4d4e00d 100644
--- a/google-cloud-firestore/pom.xml
+++ b/google-cloud-firestore/pom.xml
@@ -198,7 +198,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.18.0</version>
+      <version>3.20.0</version>
       <scope>test</scope>
     </dependency>
     <!-- OpenTelemetry -->