diff --git a/libraries-3/README.md b/libraries-3/README.md
index 404045e6b1..2692d606f3 100644
--- a/libraries-3/README.md
+++ b/libraries-3/README.md
@@ -12,3 +12,4 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [Guide to the Cactoos Library](https://www.baeldung.com/java-cactoos)
 - [Parsing Command-Line Parameters with Airline](https://www.baeldung.com/java-airline)
 - [Introduction to cache2k](https://www.baeldung.com/java-cache2k)
+- [Using NullAway to Avoid NullPointerExceptions](https://www.baeldung.com/java-nullaway)
diff --git a/libraries/src/main/java/com/baeldung/nullaway/NullAwayExample.java b/libraries-3/src/main/java/com/baeldung/nullaway/NullAwayExample.java
similarity index 100%
rename from libraries/src/main/java/com/baeldung/nullaway/NullAwayExample.java
rename to libraries-3/src/main/java/com/baeldung/nullaway/NullAwayExample.java