diff --git a/pom.xml b/pom.xml
index 35783911ff..661e28784d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -440,7 +440,7 @@
 			<dependency>
 				<groupId>org.checkerframework</groupId>
 				<artifactId>checker-qual</artifactId>
-				<version>4.1.0</version>
+				<version>4.2.1</version>
 			</dependency>
             <dependency>
                 <groupId>org.hamcrest</groupId>