diff --git a/openaev-api/pom.xml b/openaev-api/pom.xml
index 509618dd2b..a0a0bd64c4 100644
--- a/openaev-api/pom.xml
+++ b/openaev-api/pom.xml
@@ -258,12 +258,12 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.20</version>
+            <version>1.5.21</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.5.19</version>
+            <version>1.5.21</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback.contrib</groupId>