diff --git a/spring-cloud-gcp-security-firebase/pom.xml b/spring-cloud-gcp-security-firebase/pom.xml
index acf8556c51e..631dd9dbc75 100644
--- a/spring-cloud-gcp-security-firebase/pom.xml
+++ b/spring-cloud-gcp-security-firebase/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.69</version>
+            <version>1.70</version>
             <scope>test</scope>
         </dependency>
     </dependencies>