diff --git a/src/__tests__/action.test.ts b/src/__tests__/action.test.ts
index 94f96eb..94dd960 100644
--- a/src/__tests__/action.test.ts
+++ b/src/__tests__/action.test.ts
@@ -177,7 +177,7 @@ function mockDiffAll(token: string, from: string, error = false): () => void {
   return () =>
     expect(jest.mocked(exec.exec)).toHaveBeenCalledWith(
       "optic",
-      ["diff-all", "--compare-from", from, "--check"],
+      ["diff-all", "--compare-from", from, "--check", "--upload"],
       expect.objectContaining({
         env: expect.objectContaining({ OPTIC_TOKEN: "optic-token" }),
       })
diff --git a/src/action.ts b/src/action.ts
index 375c62b..40ea02b 100644
--- a/src/action.ts
+++ b/src/action.ts
@@ -168,7 +168,7 @@ async function diffAll(token: string, from: string): Promise<boolean> {
 
   return execCommand(
     "optic",
-    ["diff-all", "--compare-from", from, "--check"],
+    ["diff-all", "--compare-from", from, "--check", "--upload"],
     {
       env: {
         ...process.env,