diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2908c820..4cd8e30c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -12,7 +12,7 @@ org-checkerframework = { id = "org.checkerframework", version = "1.0.2" }
 
 [versions]
 
-checker-framework = "4.2.0"
+checker-framework = "4.2.1"
 
 junit-jupiter = "6.1.1"