diff --git a/spring-cloud-config-client-tls-tests/pom.xml b/spring-cloud-config-client-tls-tests/pom.xml
index 5c1e67bb..53818304 100644
--- a/spring-cloud-config-client-tls-tests/pom.xml
+++ b/spring-cloud-config-client-tls-tests/pom.xml
@@ -99,7 +99,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcpkix-jdk18on</artifactId>
-			<version>1.74</version>
+			<version>1.78.1</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>