update signing version
diff --git a/pom.xml b/pom.xml
index 27aa8e4..6933f1d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
     <p2-install-folder-name>development</p2-install-folder-name>
     <p2-install-parent-folder-name>jetty-rt-3.7-N-builds</p2-install-parent-folder-name>
 
-    <signing-plugin-version>1.0.4</signing-plugin-version>
+    <signing-plugin-version>1.0.5</signing-plugin-version>
 
     <tycho-version>0.9.1</tycho-version>
     <!--orbit-site>http://download.eclipse.org/tools/orbit/committers/drops/I20110825153626/repository</orbit-site-->