Update creating date.
diff --git a/docs/doap_SkyWalking.rdf b/docs/doap_SkyWalking.rdf
index 81b4e11..1752d27 100644
--- a/docs/doap_SkyWalking.rdf
+++ b/docs/doap_SkyWalking.rdf
@@ -22,7 +22,7 @@
limitations under the License.
-->
<Project rdf:about="http://skywalking.apache.org">
- <created>2012-04-14</created>
+ <created>2019-04-17</created>
<license rdf:resource="http://usefulinc.com/doap/licenses/asl20" />
<name>Apache SkyWalking</name>
<homepage rdf:resource="http://skywalking.apache.org" />