diff --git a/ch-commons-util/pom.xml b/ch-commons-util/pom.xml
index b98f8b4f..3f5eabba 100644
--- a/ch-commons-util/pom.xml
+++ b/ch-commons-util/pom.xml
@@ -55,7 +55,7 @@
     <main.java.package>com.cloudhopper.commons.util</main.java.package>
     <junit.version>4.10</junit.version>
     <joda-time.version>2.8.2</joda-time.version>
-    <slf4j.version>1.7.21</slf4j.version>
+    <slf4j.version>1.7.36</slf4j.version>
     <logback.version>1.1.7</logback.version>
   </properties>
 </project>