diff --git a/pom.xml b/pom.xml
index 39d9ab8e..be3349ab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
     <guava.version>30.1.1-jre</guava.version>
     <googlehttpclient.version>1.40.1</googlehttpclient.version>
     <gson.version>2.8.9</gson.version>
-    <slf4j.version>1.7.32</slf4j.version>
+    <slf4j.version>1.7.33</slf4j.version>
     <bouncy.version>1.70</bouncy.version>
     <json.version>20210307</json.version>