diff --git a/pom.xml b/pom.xml
index bd25cf66..3059d788 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
         <assertj-guava.version>3.4.0</assertj-guava.version>
         <byte-buddy.version>1.12.6</byte-buddy.version>
         <caffine.version>3.0.5</caffine.version>
-        <checker-qual.version>3.21.0</checker-qual.version>
+        <checker-qual.version>3.21.1</checker-qual.version>
         <classmate.version>1.5.1</classmate.version>
         <commons-configuration.version>1.10</commons-configuration.version>
         <commons-codec.version>1.15</commons-codec.version>