diff --git a/.appveyor.yml b/.appveyor.yml
index ebb53296..3007a60c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -3,6 +3,15 @@ environment:
     PROJECT_NAME: actix
   matrix:
     # Stable channel
+    - TARGET: i686-pc-windows-gnu
+      CHANNEL: 1.21.0
+    - TARGET: i686-pc-windows-msvc
+      CHANNEL: 1.21.0
+    - TARGET: x86_64-pc-windows-gnu
+      CHANNEL: 1.21.0
+    - TARGET: x86_64-pc-windows-msvc
+      CHANNEL: 1.21.0
+    # Stable channel
     - TARGET: i686-pc-windows-gnu
       CHANNEL: stable
     - TARGET: i686-pc-windows-msvc