diff --git a/pebble/pom.xml b/pebble/pom.xml
index b3b923db7..fd3fc42d9 100644
--- a/pebble/pom.xml
+++ b/pebble/pom.xml
@@ -23,7 +23,7 @@
 
     <assertj.version>3.13.2</assertj.version>
     <commons-io.version>2.7</commons-io.version>
-    <logback-classic.version>1.2.3</logback-classic.version>
+    <logback-classic.version>1.2.13</logback-classic.version>
     <junit-jupiter.version>5.5.2</junit-jupiter.version>
   </properties>