diff --git a/chapter06/tacocloud-web/pom.xml b/chapter06/tacocloud-web/pom.xml
index 7d6756c8..e980d7a0 100644
--- a/chapter06/tacocloud-web/pom.xml
+++ b/chapter06/tacocloud-web/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>jquery</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>
diff --git a/chapter07/tacocloud-web/pom.xml b/chapter07/tacocloud-web/pom.xml
index ecd1ee91..a1378c78 100644
--- a/chapter07/tacocloud-web/pom.xml
+++ b/chapter07/tacocloud-web/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>jquery</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>
diff --git a/chapter08/tacocloud-web/pom.xml b/chapter08/tacocloud-web/pom.xml
index 9c8bef6d..033d16e0 100644
--- a/chapter08/tacocloud-web/pom.xml
+++ b/chapter08/tacocloud-web/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>jquery</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>
diff --git a/chapter09/tacocloud-web/pom.xml b/chapter09/tacocloud-web/pom.xml
index c9050262..85663754 100644
--- a/chapter09/tacocloud-web/pom.xml
+++ b/chapter09/tacocloud-web/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>jquery</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>
diff --git a/chapter11-12-cassandra/tacocloud-web/pom.xml b/chapter11-12-cassandra/tacocloud-web/pom.xml
index 4fabe94b..9e9d9bb6 100644
--- a/chapter11-12-cassandra/tacocloud-web/pom.xml
+++ b/chapter11-12-cassandra/tacocloud-web/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>jquery</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>
diff --git a/chapter11-12-mongodb/tacocloud-web/pom.xml b/chapter11-12-mongodb/tacocloud-web/pom.xml
index 06d172d8..546ff270 100644
--- a/chapter11-12-mongodb/tacocloud-web/pom.xml
+++ b/chapter11-12-mongodb/tacocloud-web/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>jquery</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>