diff --git a/oauth2_http/pom.xml b/oauth2_http/pom.xml
index 92bdc6a94..0765efaed 100644
--- a/oauth2_http/pom.xml
+++ b/oauth2_http/pom.xml
@@ -122,7 +122,7 @@
         <dependency>
           <groupId>ch.qos.logback</groupId>
           <artifactId>logback-core</artifactId>
-          <version>1.5.19</version>
+          <version>1.5.25</version>
           <scope>test</scope>
         </dependency>
       </dependencies>