diff --git a/pom.xml b/pom.xml
index 42e44ca49b82963a16ac655755ccf29b8fcde6e0..7ba53304ccf5c414fa66e042d1d02d03aede6658 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,12 +52,12 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-slf4j18-impl</artifactId>
-      <version>2.11.2</version>
+      <version>2.12.1</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
-      <version>1.8.0-beta4</version>
+      <version>1.7.28</version>
     </dependency>
     <dependency>
       <groupId>de.timmfitschen</groupId>
@@ -165,12 +165,12 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
-      <version>2.11.2</version>
+      <version>2.12.1</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.11.2</version>
+      <version>2.12.1</version>
     </dependency>
   </dependencies>
   <build>