diff --git a/pom.xml b/pom.xml
index ba6ae4baf..25d038c15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
       <dependency>
         <groupId>org.checkerframework</groupId>
         <artifactId>checker-qual</artifactId>
-        <version>3.20.0</version>
+        <version>3.21.0</version>
       </dependency>
       <dependency>
         <groupId>junit</groupId>