diff --git a/.github/actions/update-badge/index.js b/.github/actions/update-badge/index.js
index 98a4a5dd..7ee9acb7 100644
--- a/.github/actions/update-badge/index.js
+++ b/.github/actions/update-badge/index.js
@@ -20,7 +20,9 @@ let octokit
     await core.group('Fetching repositories & updating lines...', async () => {
       for (const repo of repos) {
         const line = await generateLine(repo.repoStr)
-        if (shouldUpdate(lines[repo.index], line)) {
+        if (otherDomain(lines[repo.index])) {
+          core.info(`...line refers to non-GH domain: '${lines[repo.index]}'`)
+        } else if (shouldUpdate(lines[repo.index], line)) {
           lines[repo.index] = line
           core.info(`...updated line: '${line}'`)
         } else {
@@ -87,3 +89,8 @@ function shouldUpdate(oldLine, newLine) {
     !badDateReg.test(newLine) ||
     badDateReg.test(oldLine);
 }
+
+function otherDomain(line) {
+  return line.indexOf("gitlab.com") !== -1 ||
+    line.indexOf("gist.github.com") !== -1;
+}
diff --git a/README.md b/README.md
index 3f77f1f5..80db4310 100644
--- a/README.md
+++ b/README.md
@@ -373,7 +373,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 
 *Solutions to AoC in HolyC (TempleOS).*
 
-* [tsoding/aoc-2021](https://github.com/tsoding/aoc-2021) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-resource%20not%20available-red)
+* [tsoding/aoc-2021](https://gitlab.com/tsoding/aoc-2021)
 
 #### Idris
 
@@ -602,7 +602,7 @@ Read [CONTRIBUTING.md](/CONTRIBUTING.md) to learn how to add your own repos.
 * [plannapus/Advent_of_Code](https://github.com/plannapus/Advent_of_Code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--11-brightgreen)
 * [rrrlw/advent-of-code](https://github.com/rrrlw/advent-of-code) ![Last Commit on GitHub](https://img.shields.io/badge/last%20commit-2021--12--09-brightgreen)
 * [bigfarts/aoc2021]
- 
+
 #### Racket
 
 *Solutions to AoC in Racket.*