diff --git a/.circleci/config.yml b/.circleci/config.yml
index fc97d0a..7f73a13 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -29,13 +29,13 @@ workflows:
   default:
     jobs:
       - build-and-test
-  #nightly-build:                                                                                                                                                          
-  #  triggers:                                                                                                                                                             
-  #    - schedule:                                                                                                                                                         
-  #        cron: "5 10 * * 1-5"                                                                                                                                               
-  #        filters:                                                                                                                                                        
-  #          branches:                                                                                                                                                     
-  #            only: master
-  #  jobs:
-  #    - build-and-test:
-  #        context: nightly
+  nightly-build:                                                                                                                                                          
+    triggers:                                                                                                                                                             
+      - schedule:                                                                                                                                                         
+          cron: "5 10 * * 1-5"                                                                                                                                               
+          filters:                                                                                                                                                        
+            branches:                                                                                                                                                     
+              only: master
+    jobs:
+      - build-and-test:
+          context: nightly