diff --git a/build.sh b/build.sh
index 3d2bba6..6fe36a5 100755
--- a/build.sh
+++ b/build.sh
@@ -78,6 +78,10 @@ else
 	echo "Use debian codename from environment ($DEBIAN_CODENAME)"
 fi
 
+# Compute debian package version
+DEB_VERSION_SUFFIX="-1"
+DEB_VERSION="$VERSION$DEB_VERSION_SUFFIX"
+
 echo "Generate debian changelog using gitdch..."
 GITDCH_ARGS=('--verbose')
 [ -n "$QUIET_ARG" ] && GITDCH_ARGS=('--warning')
@@ -93,7 +97,8 @@ then
 fi
 $GITDCH \
 	--package-name mylib \
-	--version "${VERSION}" \
+	--version "${DEB_VERSION}" \
+	--version-suffix "${DEB_VERSION_SUFFIX}" \
 	--code-name $DEBIAN_CODENAME \
 	--output debian/changelog \
 	--release-notes ../../dist/release_notes.md \