1 files changed, 1 insertions, 0 deletions

diff --git a/pom.xml b/pom.xml
index 4557af32..d9eef414 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,7 @@
         <module>chapter06</module>
         <module>chapter07</module>
         <module>chapter08</module>
+        <module>chapter09</module>
     </modules>
 
     <properties>