diff --git a/lib/build.gradle b/lib/build.gradle
index 95aac0c..c7b6fce 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -8,7 +8,7 @@ import java.util.regex.Pattern;
 plugins {
     id 'java-library'
     id 'com.github.johnrengelman.shadow' version '8.1.1'
-    id 'net.ltgt.errorprone' version '3.1.0'
+    id 'net.ltgt.errorprone' version '4.0.0'
     id 'org.checkerframework' version '0.6.37'
 }