Enable builds for release branches
diff --git a/.appveyor.yml b/.appveyor.yml
index 56a123a..2645364 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -52,6 +52,8 @@
 branches:
   only:
     - master
+    # Release branches
+    - /^[0-9]+\.[0-9]+$/
 
 init:
   - ps: |
diff --git a/.travis.yml b/.travis.yml
index 8540d2c..9c02174 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,8 @@
 branches:
   only:
   - master
+  # Release branches
+  - /^[0-9]+\.[0-9]+$/
 
 os:
   - linux