Release 2.4.17: update versions
diff --git a/gradle.properties b/gradle.properties
index 258c01b..866786a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,9 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-groovyVersion = 2.4.17-SNAPSHOT
+groovyVersion = 2.4.17
 # bundle version format: major('.'minor('.'micro('.'qualifier)?)?)? (first 3 only digits)
-groovyBundleVersion = 2.4.17.SNAPSHOT
+groovyBundleVersion = 2.4.17
 
 gradle_version=2.14.1