diff --git a/bboxdb-commons/pom.xml b/bboxdb-commons/pom.xml
index 770af2b1b..1c531dfe8 100644
--- a/bboxdb-commons/pom.xml
+++ b/bboxdb-commons/pom.xml
@@ -31,7 +31,7 @@
 		<dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
-           <version>2.20.0</version>
+           <version>2.21.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
diff --git a/bboxdb-server/pom.xml b/bboxdb-server/pom.xml
index 3183a6083..b3b4facce 100644
--- a/bboxdb-server/pom.xml
+++ b/bboxdb-server/pom.xml
@@ -37,7 +37,7 @@
 		<dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
-           <version>2.20.0</version>
+           <version>2.21.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>