commons.pmd.version 3.12.0 -> 3.13.0.
diff --git a/pom.xml b/pom.xml
index a1f38c3..66ff2fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -131,7 +131,7 @@
<commons.javadoc.version>3.2.0</commons.javadoc.version>
<commons.jdepend.version>2.0</commons.jdepend.version>
<commons.jxr.version>3.0.0</commons.jxr.version>
- <commons.pmd.version>3.12.0</commons.pmd.version>
+ <commons.pmd.version>3.13.0</commons.pmd.version>
<commons.project-info.version>3.0.0</commons.project-info.version>
<commons.rat.version>0.13</commons.rat.version>
<commons.release-plugin.version>1.7</commons.release-plugin.version>
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 6a8258c..6ea8c66 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -68,6 +68,7 @@
<action type="update" dev="ggregory">commons.spotbugs.version 3.1.6 -> 3.1.12.2.</action>
<action type="update" dev="ggregory">org.apache:apache 21 -> 23.</action>
<action type="update" dev="ggregory">maven-javadoc-plugin 3.1.1 -> 3.2.0.</action>
+ <action type="update" dev="ggregory">commons.pmd.version 3.12.0 -> 3.13.0.</action>
</release>
<release version="50" date="2019-12-17" description="Update site generation.