diff --git a/.github/workflows/busted.yml b/.github/workflows/busted.yml
index d4189e9..aace5b3 100644
--- a/.github/workflows/busted.yml
+++ b/.github/workflows/busted.yml
@@ -28,7 +28,7 @@ jobs:
           luarocks install busted
           luarocks install dkjson
           luarocks install inifile
-          luarocks install yaml
+          ${{ matrix.luaVersion != '5.4' && 'luarocks install yaml' || '' }} # https://github.com/lubyk/yaml/issues/7
 
       - name: Replace system cliargs with self
         run: |
diff --git a/spec/config_loader_spec.lua b/spec/config_loader_spec.lua
index 4414f0a..7b0ddb5 100644
--- a/spec/config_loader_spec.lua
+++ b/spec/config_loader_spec.lua
@@ -39,9 +39,14 @@ describe("cliargs.config_loader", function()
   end)
 
   describe('#from_yaml', function()
-    it('works', function()
-      args, err = cli:parse({ '--config', 'spec/fixtures/config.yml' })
-    end)
+    -- Because it isn't easy to install on Lua 5.4, some environments can't run this test
+    -- https://github.com/lubyk/yaml/issues/7
+    local hasyaml = pcall(require, "yaml")
+    if hasyaml then
+      it('works', function()
+        args, err = cli:parse({ '--config', 'spec/fixtures/config.yml' })
+      end)
+    end
   end)
 
   describe('#from_lua', function()