diff --git a/pom.xml b/pom.xml
index 22fcb51a..fbeaa033 100644
--- a/pom.xml
+++ b/pom.xml
@@ -972,7 +972,7 @@
         <dependency>
             <groupId>org.checkerframework</groupId>
             <artifactId>checker-qual</artifactId>
-            <version>3.20.0</version>
+            <version>3.21.4</version>
             <scope>test</scope>
         </dependency>