diff --git a/.travis.yml b/.travis.yml
index 8ebb2487..40e87bb7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ env:
   - LUA="lua 5.1"
   - LUA="lua 5.2"
   - LUA="lua 5.3"
+  - LUA="lua 5.4"
   - LUA="luajit 2.0"
   - LUA="luajit 2.0 --compat 5.2"
   - LUA="luajit 2.1"
diff --git a/appveyor.yml b/appveyor.yml
index c6061405..01d2a213 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,6 +5,7 @@ environment:
   - LUA: "lua 5.1"
   - LUA: "lua 5.2"
   - LUA: "lua 5.3"
+  - LUA: "lua 5.4"
   - LUA: "luajit 2.0"
   - LUA: "luajit 2.0 --compat 5.2"
   - LUA: "luajit 2.1"