use the right eclipse-jarsigner version
diff --git a/pom.xml b/pom.xml
index b83cf0b..c984dad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 		<!-- maven plug-ins version -->
 		<buildnumber-maven-version>1.3</buildnumber-maven-version>
 		<findbugs-maven-version>3.0.0</findbugs-maven-version>
-		<eclipse-jarsigner-version>1.4</eclipse-jarsigner-version>
+		<eclipse-jarsigner-version>1.1.0</eclipse-jarsigner-version>
 		<maven-antrun-plugin-version>1.8</maven-antrun-plugin-version>
 		<tycho-version>0.23.1</tycho-version>
 		<tycho-extras-version>0.23.1</tycho-extras-version>