diff --git a/spring-cloud-config-client-tls-tests/pom.xml b/spring-cloud-config-client-tls-tests/pom.xml
index e0586f37..8051f44e 100644
--- a/spring-cloud-config-client-tls-tests/pom.xml
+++ b/spring-cloud-config-client-tls-tests/pom.xml
@@ -98,13 +98,8 @@
 		</dependency>
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
-			<artifactId>bcpkix-jdk15on</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.bouncycastle</groupId>
-			<artifactId>bcpkix-jdk15on</artifactId>
-			<version>1.67</version>
+			<artifactId>bcpkix-jdk18on</artifactId>
+			<version>1.74</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>