lts-v2.8.15

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I0324f9d710884439378e7a297bb14449b7f8bf53
diff --git a/docs/index.rst b/docs/index.rst
index aa2fd86..97bf3a0 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -8,7 +8,7 @@
 
 lts-v2.8 branch
 
-lts-v2.8.14
+lts-v2.8.15
 
 .. toctree::
    :maxdepth: 2