diff --git a/pom.xml b/pom.xml
index 95c2943..1ac8325 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <checkerframework.version>3.52.0</checkerframework.version>
+    <checkerframework.version>4.3.1</checkerframework.version>
     <junit.version>5.14.4</junit.version>
     <log4j.version>2.26.1</log4j.version>
     <maven.compiler.source>11</maven.compiler.source>