diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..be006de
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+# Keep GitHub Actions up to date with GitHub's Dependabot...
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#package-ecosystem
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    groups:
+      github-actions:
+        patterns:
+          - "*"  # Group all Actions updates into a single larger pull request
+    schedule:
+      interval: weekly
diff --git a/src/system.ts b/src/system.ts
index 2ad4732..13ab580 100644
--- a/src/system.ts
+++ b/src/system.ts
@@ -223,9 +223,12 @@ export function createReactiveSystem({
 				continue;
 			}
 
-			if (!dirty && link.nextDep !== undefined) {
-				link = link.nextDep;
-				continue;
+			if (!dirty) {
+				const nextDep = link.nextDep;
+				if (nextDep !== undefined) {
+					link = nextDep;
+					continue;
+				}
 			}
 
 			while (checkDepth) {