diff --git a/pom.xml b/pom.xml
index 76b1409..98736d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -130,7 +130,7 @@
         <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
         <plexus-component-metadata.version>2.1.0</plexus-component-metadata.version>
-        <sign-maven-plugin.version>0.3.0</sign-maven-plugin.version>
+        <sign-maven-plugin.version>0.3.1</sign-maven-plugin.version>
         <sitemapxml-maven-plugin.version>2.1.0</sitemapxml-maven-plugin.version>
         <versions-maven-plugin.version>2.8.1</versions-maven-plugin.version>
     </properties>