diff --git a/internal/core/core.go b/internal/core/core.go
index 3bec217..dfda3c1 100644
--- a/internal/core/core.go
+++ b/internal/core/core.go
@@ -277,6 +277,13 @@ func (b *Base) finalizeUpgrades() {
 	// 3) bulk refresh version cache per upgraded package (after cleanup)
 	b.bulkTouchVersionCache(uniq)
 
+	// Refresh Brew's outdated snapshot after the upgrades have completed. The
+	// snapshot is otherwise reused for up to 24 hours, which would make the
+	// next `upgrade --check` report packages that were already upgraded.
+	if _, err := brew.FetchOutdatedPackages(b.Runner); err != nil {
+		logger.Debug("failed to refresh brew outdated cache: %v", err)
+	}
+
 	// reset for next HandlePackages run
 	b.upgradedPkgs = b.upgradedPkgs[:0]
 }
diff --git a/internal/core/core_test.go b/internal/core/core_test.go
index 07eb6a4..af4cc21 100644
--- a/internal/core/core_test.go
+++ b/internal/core/core_test.go
@@ -467,6 +467,28 @@ func TestTouchVersionCache_Touch(t *testing.T) {
 	}
 }
 
+func TestFinalizeUpgradesRefreshesOutdatedCache(t *testing.T) {
+	withIsolatedState(t)
+	mr := runner.NewMockRunner()
+	mr.AddResponse("brew|outdated|--json=v2", []byte(`{
+		"formulae": [],
+		"casks": []
+	}`), nil)
+
+	b := NewBase(&models.Config{}, mr)
+	b.upgradedPkgs = []string{"foo"}
+	b.finalizeUpgrades()
+
+	if !mr.VerifyCommand("brew", "outdated", "--json=v2") {
+		t.Fatalf("expected outdated cache refresh, got commands: %+v", mr.Commands)
+	}
+
+	path := utils.MakeFilePath(utils.CacheDir, utils.OutdatedFile)
+	if ok, err := utils.FileExists(path); err != nil || !ok {
+		t.Fatalf("expected outdated cache at %s, exists=%v, err=%v", path, ok, err)
+	}
+}
+
 /*
 	-----------------------------
 	  Helpers for writing test cache