diff --git a/build.gradle b/build.gradle
index ac1bfbb2..b6edac61 100644
--- a/build.gradle
+++ b/build.gradle
@@ -70,7 +70,7 @@ repositories {
  * Add errorprone checking.
  */
 dependencies {
-    errorprone("com.google.errorprone:error_prone_core:2.3.3")
+    errorprone('com.google.errorprone:error_prone_core:2.18.0')
     errorproneJavac("com.google.errorprone:javac:9+181-r4173-1")
 }
 
diff --git a/src/main/java/com/github/fge/jsonpatch/Iterables.java b/src/main/java/com/github/fge/jsonpatch/Iterables.java
index 3c2abcf7..79b67e1b 100644
--- a/src/main/java/com/github/fge/jsonpatch/Iterables.java
+++ b/src/main/java/com/github/fge/jsonpatch/Iterables.java
@@ -4,6 +4,7 @@
 import java.util.NoSuchElementException;
 
 /**
+ * Iterables utility class
  * @author {@literal @}soberich on 30-Nov-18
  */
 public final class Iterables {