diff --git a/pom.xml b/pom.xml
index daa39b86..17bf4ad4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -89,7 +89,7 @@ under the License.
     <doxiaVersion>1.9.1</doxiaVersion>
     <doxiaSitetoolsVersion>1.9.2</doxiaSitetoolsVersion>
     <javaVersion>8</javaVersion><!-- Because PMD 6.35.0+ requires Java 8 -->
-    <pmdVersion>6.39.0</pmdVersion>
+    <pmdVersion>6.40.0</pmdVersion>
     <slf4jVersion>1.7.25</slf4jVersion>
     <sitePluginVersion>3.7.1</sitePluginVersion>
     <projectInfoReportsPluginVersion>3.0.0</projectInfoReportsPluginVersion>
diff --git a/src/site/apt/examples/upgrading-PMD-at-runtime.apt.vm b/src/site/apt/examples/upgrading-PMD-at-runtime.apt.vm
index 051e9da7..3f6e4842 100644
--- a/src/site/apt/examples/upgrading-PMD-at-runtime.apt.vm
+++ b/src/site/apt/examples/upgrading-PMD-at-runtime.apt.vm
@@ -88,7 +88,7 @@ Upgrading PMD at Runtime
 *--------------------------------------------------------------------------------*--------------------------------------------------*
 | <<maven-pmd-plugin>>                                                           | <<PMD>>                                          |
 *--------------------------------------------------------------------------------*--------------------------------------------------*
-| {{{https://maven.apache.org/plugins-archives/maven-pmd-plugin-3.16.0/}3.16.0}} | {{{https://pmd.github.io/pmd-6.39.0/}6.39.0}}    |
+| {{{https://maven.apache.org/plugins-archives/maven-pmd-plugin-3.16.0/}3.16.0}} | {{{https://pmd.github.io/pmd-6.40.0/}6.40.0}}    |
 *--------------------------------------------------------------------------------*--------------------------------------------------*
 | {{{https://maven.apache.org/plugins-archives/maven-pmd-plugin-3.15.0/}3.15.0}} | {{{https://pmd.github.io/pmd-6.38.0/}6.38.0}}    |
 *--------------------------------------------------------------------------------*--------------------------------------------------*