diff --git a/.appveyor.yml b/.appveyor.yml
index 4a002500..f8aaf42d 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,6 +2,7 @@ branches:
     only:
         - ci
         - master
+        - 3.3-stable
 skip_tags: true
 environment:
     CFLAGS: /WX
diff --git a/.travis.yml b/.travis.yml
index 3033fc51..9b37ebfd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ branches:
     only:
         - ci
         - master
+        - 3.3-stable
 matrix:
     include:
         - os: linux