diff --git a/.github/workflows/maven-release.yml b/.github/workflows/maven-release.yml
index 717ed8c..bc9bb03 100644
--- a/.github/workflows/maven-release.yml
+++ b/.github/workflows/maven-release.yml
@@ -11,6 +11,7 @@ jobs:
       packages: write
     env:
       GITHUB_TOKEN: ${{ github.token }}
+      MARKDOWN2HTML_MAVEN_PLUGIN_FAIL_ON_ERROR: true
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4
       - name: Set up JDK and Maven
diff --git a/pom.xml b/pom.xml
index eb711f7..f140f92 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,6 +50,9 @@
         <web.app.name>${maven-jar-plugin.Extension-Context}</web.app.name>
 
         <ch.sbb.polarion.thirdparty.bundles.org.apache.poi.version>1.3.0</ch.sbb.polarion.thirdparty.bundles.org.apache.poi.version>
+
+        <!--suppress UnresolvedMavenProperty -->
+        <markdown2html-maven-plugin.failOnError>${env.MARKDOWN2HTML_MAVEN_PLUGIN_FAIL_ON_ERROR}</markdown2html-maven-plugin.failOnError>
     </properties>
 
     <dependencies>