diff --git a/.github/workflows/validate-ctv.yml b/.github/workflows/validate-ctv.yml
index 81aa68e..d3cf48e 100644
--- a/.github/workflows/validate-ctv.yml
+++ b/.github/workflows/validate-ctv.yml
@@ -19,5 +19,7 @@ name: Validate task view
 jobs:
   validate-ctv:
     runs-on: ubuntu-latest
+    container:
+      image: rocker/r2u:latest
     steps:
       - uses: cran-task-views/ctv/validate-ctv@main
diff --git a/MissingData.md b/MissingData.md
index 42e4521..bd57923 100644
--- a/MissingData.md
+++ b/MissingData.md
@@ -530,4 +530,4 @@ imputations.
 
 ### Links
 -   [Amelia II: A Program for Missing Data](https://gking.harvard.edu/amelia)
--   [R-miss-tastic: A resource website on missing data](https://rmisstastic.netlify.com/)
+-   [R-miss-tastic: A resource website on missing data](https://rmisstastic.netlify.app/)