diff --git a/pom.xml b/pom.xml
index b9186f93042d..e593b38bbd89 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
         <mockito.version>2.8.9</mockito.version>
         <!-- logging -->
         <org.slf4j.version>1.7.21</org.slf4j.version>
-        <logback.version>1.1.7</logback.version>
+        <logback.version>1.5.25</logback.version>
         <!-- plugins -->
         <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
         <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
diff --git a/vertx-and-rxjava/pom.xml b/vertx-and-rxjava/pom.xml
index 9c2c9bfd48f1..a646c01103fa 100644
--- a/vertx-and-rxjava/pom.xml
+++ b/vertx-and-rxjava/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.3</version>
+            <version>1.5.25</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>