diff --git a/.azure/azure-pipelines.yml b/.azure/azure-pipelines.yml
index 9828066f3c..4c160576b6 100644
--- a/.azure/azure-pipelines.yml
+++ b/.azure/azure-pipelines.yml
@@ -1,5 +1,5 @@
 variables:
-  lkg-rust-nightly: "2019-07-04"
+  lkg-rust-nightly: "2019-08-08"
 
 trigger:
   - master