diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 29bb059d2..839244d8e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -136,7 +136,7 @@ jobs:
           key: lychee-v1
 
       - name: Link Checker
-        uses: lycheeverse/lychee-action@2b973e86fc7b1f6b36a93795fe2c9c6ae1118621
+        uses: lycheeverse/lychee-action@f81112d0d2814ded911bd23e3beaa9dda9093915
         with:
           args: --cache --max-cache-age 7d --require-https --user-agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36" --no-progress './**/*.md' './**/*.html' './**/*.json'
           fail: true
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6432f8ed2..da12b74d5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -38,7 +38,7 @@ Please keep the following in mind:
   exercise.
 
 - Each problem should have a test suite, an example solution, and a template
-  file for the real implementation. Read about [the anatomy of practice exercises](https://github.com/exercism/docs/blob/main/building/tracks/practice-exercises.md) or [the anatomy of concept exercises](https://github.com/exercism/docs/blob/main/building/tracks/concept-exercises.md), depending on to which type of exercise you want to contribute.
+  file for the real implementation. Read about [the anatomy of practice exercises](https://github.com/exercism/docs/blob/main/building/tracks/practice-exercises/README.md) or [the anatomy of concept exercises](https://github.com/exercism/docs/blob/main/building/tracks/concept-exercises.md), depending on to which type of exercise you want to contribute.
 
 - For practice exercises, `instructions.md` come from the [problem specifications](https://github.com/exercism/problem-specifications) repository. They cannot be changed without updating them in that repository first. If Elixir-specific changes are necessary, they can be appended to the instructions by creating a `instructions.append.md` file.
 
diff --git a/concepts/if/about.md b/concepts/if/about.md
index 0d0f07abc..3279d6a81 100644
--- a/concepts/if/about.md
+++ b/concepts/if/about.md
@@ -85,4 +85,4 @@ truthy?.(nil)
 [kernel-and]: https://hexdocs.pm/elixir/Kernel.html#&&/2
 [kernel-or]: https://hexdocs.pm/elixir/Kernel.html#%7C%7C/2
 [kernel-not]: https://hexdocs.pm/elixir/Kernel.html#!/1
-[falsy-various-langs]: https://www.peachesnstink.com/p/vvCzwCNRfqyPSgTdigNPvC
+[falsy-various-langs]: https://www.commentcastles.org/p/vvCzwCNRfqyPSgTdigNPvC