diff --git a/Chapter 6/batch-test/pom.xml b/Chapter 6/batch-test/pom.xml
index ca88e05..2e325e2 100644
--- a/Chapter 6/batch-test/pom.xml
+++ b/Chapter 6/batch-test/pom.xml
@@ -81,7 +81,7 @@
org.quartz-scheduler
quartz
- 1.8.3
+ 2.3.2
commons-collections