diff --git a/pom.xml b/pom.xml
index 4126cef..5eee8e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
     <dependency>
       <groupId>org.commonmark</groupId>
       <artifactId>commonmark</artifactId>
-      <version>0.19.0</version>
+      <version>0.21.0</version>
     </dependency>
 
     <!-- To use test utilities: -->