diff --git a/build.gradle b/build.gradle
index cc89020..a1f3a92 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ repositories {
 
 dependencies {
 	compileOnly "org.jetbrains:annotations:24.1.0"
-	compileOnly "org.checkerframework:checker-qual:3.47.0"
+	compileOnly "org.checkerframework:checker-qual:4.1.0"
 	testImplementation "junit:junit:4.13.2"
 	// TODO: actually test Mixin at the same time
 	//api 'org.minimallycorrect.mixin:Mixin:0.0.6'
@@ -64,7 +64,7 @@ allprojects {
 			resolutionStrategy {
 				failOnVersionConflict()
 
-				force('org.checkerframework:checker-qual:3.47.0')
+				force('org.checkerframework:checker-qual:4.1.0')
 				force('com.google.guava:guava:33.3.0-jre')
 				force('com.google.code.findbugs:jsr305:3.0.2')
 				def asmVer = '9.7'