diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c9c8130..5afe873 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -10,7 +10,7 @@ org-checkerframework = { id = "org.checkerframework", version = "1.0.2" }
 
 [versions]
 
-checker-framework = "3.55.1"
+checker-framework = "4.0.0"
 
 junit-jupiter = "6.0.3"