diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 38d6844..83fb3db 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,6 +19,7 @@ jobs:
         run: bun src/scripts/verifyEnv.ts
         env:
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          IS_CI: true
       - name: Deploy
         uses: cloudflare/wrangler-action@v3
         with:
diff --git a/src/scripts/verifyEnv.ts b/src/scripts/verifyEnv.ts
index 59ad8fc..e8a68bc 100644
--- a/src/scripts/verifyEnv.ts
+++ b/src/scripts/verifyEnv.ts
@@ -30,7 +30,12 @@ await logStep("Comparing env.d.ts", async () => {
     return;
   }
 
-  spawn({ cmd: ["sl", "diff", "src/types/env.d.ts"], stdout: "inherit" });
+  const isCI = process.env["IS_CI"] === "true";
+  const vcsCommand = isCI ? "git" : "sl";
+  spawn({
+    cmd: [vcsCommand, "diff", "src/types/env.d.ts"],
+    stdout: "inherit",
+  });
   // add 1 second to make sure spawn completes
   await sleep(1000);
   throw new Error("env.d.ts is out of date");