diff --git a/core/pom.xml b/core/pom.xml
index 6f2d92f..76f18b4 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -52,19 +52,19 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.4.2</version>
+            <version>5.6.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-params</artifactId>
-            <version>5.4.2</version>
+            <version>5.6.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.4.2</version>
+            <version>5.6.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/log4j2-appender/pom.xml b/log4j2-appender/pom.xml
index 3a841fc..c3195d7 100644
--- a/log4j2-appender/pom.xml
+++ b/log4j2-appender/pom.xml
@@ -52,19 +52,19 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.4.2</version>
+            <version>5.6.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-params</artifactId>
-            <version>5.4.2</version>
+            <version>5.6.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.4.2</version>
+            <version>5.6.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/loki-protobuf/pom.xml b/loki-protobuf/pom.xml
index 81a3a43..688e7e6 100644
--- a/loki-protobuf/pom.xml
+++ b/loki-protobuf/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.13.0</version>
+            <version>3.12.0</version>
         </dependency>
 
         <dependency>
@@ -54,9 +54,6 @@
                             <goal>run</goal>
                         </goals>
                         <configuration>
-                            <!--                            <protocArtifact>com.google.protobuf:protoc:3.13.0</protocArtifact>-->
-                            <!--                            <type>java-shaded</type>-->
-
                             <addProtoSources>all</addProtoSources>
                             <includeMavenTypes>direct</includeMavenTypes>
                             <includeDirectories>