diff --git a/Changes b/Changes
index 5407915..eb96cf5 100644
--- a/Changes
+++ b/Changes
@@ -1,8 +1,11 @@
-0.59.2 2020-06-18
+0.59.2 2020-07-24
     - [feature] Add fingerprint method to index (diewald)
     - [bugfix] Fix deserialization of spans with attributes (diewald)
     - [bugfix] Change order of attribute payloads in attribute queries
       (diewald)
+    - [bugfix] Security upgrade of Log4J for CVE-2020-9488
+      (dependabot, diewald)
+    
       Warning: This may break compatibility for attribute queries
                in indices not created using KorAP::XML::Krill.
 
diff --git a/pom.xml b/pom.xml
index 2f61a5a..b6d879d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -90,22 +90,22 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-api</artifactId>
-			<version>2.10.0</version>
+			<version>2.13.2</version>
 		</dependency>
     <dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.10.0</version>
+			<version>2.13.2</version>
 		</dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-slf4j-impl</artifactId>
-      <version>2.10.0</version>
+      <version>2.13.2</version>
     </dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>jul-to-slf4j</artifactId>
-			<version>1.7.25</version>
+			<version>1.7.30</version>
 		</dependency>
 		
 		<dependency>