diff --git a/.travis.yml b/.travis.yml
index 521b32447..4c5011cdb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,4 +18,5 @@ env:
   - TYPESCRIPT=typescript@2.1.5
   - TYPESCRIPT=typescript@2.2.1
   - TYPESCRIPT=typescript@2.3.1
+  - TYPESCRIPT=typescript@2.4.0
   - TYPESCRIPT=typescript@next
diff --git a/appveyor.yml b/appveyor.yml
index f1c94dd6e..297b539ac 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,6 +8,7 @@ environment:
   - TYPESCRIPT: typescript@2.1.5
   - TYPESCRIPT: typescript@2.2.1
   - TYPESCRIPT: typescript@2.3.1
+  - TYPESCRIPT: typescript@2.4.0
   - TYPESCRIPT: typescript@next
 install:
   - ps: Install-Product node $env:nodejs_version