diff --git a/obs-service-set_version.changes b/obs-service-set_version.changes
index 89eb7ac..ba32715 100644
--- a/obs-service-set_version.changes
+++ b/obs-service-set_version.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Oct  8 10:06:26 UTC 2013 - jblunck@opensuse.org
+
+- Take Debian version and revision number from debian.changelog file
+
 -------------------------------------------------------------------
 Tue Apr 16 09:30:01 UTC 2013 - adrian@suse.de
 
diff --git a/obs-service-set_version.spec b/obs-service-set_version.spec
index 91eb27f..86e723b 100644
--- a/obs-service-set_version.spec
+++ b/obs-service-set_version.spec
@@ -20,7 +20,7 @@ Name:           obs-service-set_version
 Summary:        An OBS source service: Update spec file version
 License:        GPL-2.0+
 Group:          Development/Tools/Building
-Version:        0.2
+Version:        0.3
 Release:        0
 Source:         set_version
 Source1:        set_version.service
diff --git a/set_version b/set_version
index 453e4b9..d1c9464 100644
--- a/set_version
+++ b/set_version
@@ -56,6 +56,10 @@ get_version_from_file () {
   if [ -z "$MYVERSION" ]; then
     MYVERSION=`ls -1t | sed -n "s,$BASENAME.*[-_]\([0123456789].*\).zip$,\1,p" | head -n 1`
   fi
+  if [ -z "$MYVERSION" ]; then
+    # take version number (and optional revision) from Debian changelog
+    MYVERSION=`head -n 1 *debian.changelog 2>/dev/null | sed -ne 's/.*(\(.*\)).*/\1/p'`
+  fi
   if [ -z "$MYVERSION" ]; then
     echo "ERROR: no version is given and can't get detected automatically"
     exit 1