diff --git a/build-parent/pom.xml b/build-parent/pom.xml
index 2a553e0453e0f..a83360b5727f9 100644
--- a/build-parent/pom.xml
+++ b/build-parent/pom.xml
@@ -327,7 +327,11 @@
                 <artifactId>chartjs</artifactId>
                 <version>${webjar.chartjs.version}</version>
             </dependency>
-
+            <dependency>
+                <groupId>org.webjars.npm</groupId>
+                <artifactId>mermaid</artifactId>
+                <version>${webjar.mermaid.version}</version>
+            </dependency>
             <dependency>
                 <groupId>com.github.davidmoten</groupId>
                 <artifactId>subethasmtp</artifactId>
diff --git a/extensions/vertx-http/deployment/pom.xml b/extensions/vertx-http/deployment/pom.xml
index 72d2e5a02637d..f73b67dd3c39e 100644
--- a/extensions/vertx-http/deployment/pom.xml
+++ b/extensions/vertx-http/deployment/pom.xml
@@ -77,6 +77,18 @@
             <artifactId>chartjs</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.webjars.npm</groupId>
+            <artifactId>mermaid</artifactId>
+            <scope>provided</scope>
+            <!-- We don't use any dependencies here -->
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
         <!-- Test dependencies -->
         <dependency>
             <groupId>io.quarkus</groupId>