diff --git a/appveyor.yml b/appveyor.yml
index c6c1438..092e6fd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,6 +13,13 @@ install:
 cache:
   - C:\RLibrary
 
+environment:
+  NOT_CRAN: true
+  # env vars that may need to be set, at least temporarily, from time to time
+  # see https://github.com/krlmlr/r-appveyor#readme for details
+  # USE_RTOOLS: true
+  R_REMOTES_STANDALONE: true
+
 # Adapt as necessary starting from here
 
 build_script:
@@ -43,3 +50,13 @@ artifacts:
 
   - path: '\*_*.zip'
     name: Bits
+
+
+notifications:
+  - provider: Slack
+    auth_token:
+      secure: k01wonjiVGV2Je8nDQ4ISIkX1HjakJKtR636gmIjtSJy+G1F9uw+doX511zxHLIlqoB0iMURrKyzoHR+lyFO7XCHacQgpFLCOdPcRENglAo=
+    channel: '#appveyor'
+    on_build_failure: false
+    on_build_success: false
+    on_build_status_changed: true