diff --git a/chapter06/tacocloud-ui/pom.xml b/chapter06/tacocloud-ui/pom.xml
index 5d9590d4..be5e697b 100644
--- a/chapter06/tacocloud-ui/pom.xml
+++ b/chapter06/tacocloud-ui/pom.xml
@@ -19,7 +19,7 @@
v6.9.1
v0.24.6
- 1.4
+ 1.9.0
dev
diff --git a/chapter07/tacocloud-ui/pom.xml b/chapter07/tacocloud-ui/pom.xml
index 8e017e06..fba5ebf6 100644
--- a/chapter07/tacocloud-ui/pom.xml
+++ b/chapter07/tacocloud-ui/pom.xml
@@ -17,7 +17,7 @@
v6.9.1
v0.24.6
- 1.4
+ 1.9.0
dev
diff --git a/chapter08/tacocloud-ui/pom.xml b/chapter08/tacocloud-ui/pom.xml
index 04cfc679..fa214e3e 100644
--- a/chapter08/tacocloud-ui/pom.xml
+++ b/chapter08/tacocloud-ui/pom.xml
@@ -16,7 +16,7 @@
v6.9.1
v0.24.6
- 1.4
+ 1.9.0
dev
diff --git a/chapter09/tacocloud-ui/pom.xml b/chapter09/tacocloud-ui/pom.xml
index ae5664e6..515a1a7a 100644
--- a/chapter09/tacocloud-ui/pom.xml
+++ b/chapter09/tacocloud-ui/pom.xml
@@ -16,7 +16,7 @@
v6.9.1
v0.24.6
- 1.4
+ 1.9.0
dev
diff --git a/chapter11-12-cassandra/tacocloud-ui/pom.xml b/chapter11-12-cassandra/tacocloud-ui/pom.xml
index a5bf2a05..4c5fa072 100644
--- a/chapter11-12-cassandra/tacocloud-ui/pom.xml
+++ b/chapter11-12-cassandra/tacocloud-ui/pom.xml
@@ -17,7 +17,7 @@
v6.9.1
v0.24.6
- 1.4
+ 1.9.0
dev
diff --git a/chapter11-12-mongodb/tacocloud-ui/pom.xml b/chapter11-12-mongodb/tacocloud-ui/pom.xml
index 7ed81668..abd15667 100644
--- a/chapter11-12-mongodb/tacocloud-ui/pom.xml
+++ b/chapter11-12-mongodb/tacocloud-ui/pom.xml
@@ -17,7 +17,7 @@
v6.9.1
v0.24.6
- 1.4
+ 1.9.0
dev