diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ae83326..a76e428 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        jekyll: ["~> 3.9", "~> 4.2"]
+        jekyll: ["~> 4.2"]
     env:
       JEKYLL_VERSION: ${{ matrix.jekyll }}
     steps:
diff --git a/_config.yml b/_config.yml
index 0daa98a..57ec1be 100644
--- a/_config.yml
+++ b/_config.yml
@@ -90,7 +90,7 @@ plugins:
   - jekyll-feed
   - jekyll-redirect-from
 
-gems: [jekyll-paginate]
+plugins: [jekyll-paginate]
 
 # Exclude from processing.
 # The following items will not be processed, by default.