diff --git a/Chapter_09_Pi4J/java-pi4j-lcddisplay/pom.xml b/Chapter_09_Pi4J/java-pi4j-lcddisplay/pom.xml
index 9c8b932..52d78c6 100644
--- a/Chapter_09_Pi4J/java-pi4j-lcddisplay/pom.xml
+++ b/Chapter_09_Pi4J/java-pi4j-lcddisplay/pom.xml
@@ -23,7 +23,7 @@
com.fasterxml.jackson.core
jackson-databind
- 2.13.4.1
+ 2.13.4.2
junit