diff --git a/.github/workflows/jekyll-build.yml b/.github/workflows/jekyll-build.yml
index 36faf29..7b5b01a 100644
--- a/.github/workflows/jekyll-build.yml
+++ b/.github/workflows/jekyll-build.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Check whitespace
         run: git diff --check
diff --git a/Gemfile.lock b/Gemfile.lock
index 164b8f9..786ce7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,6 +47,7 @@ GEM
     faraday-net_http (3.4.2)
       net-http (~> 0.5)
     ffi (1.17.4-x64-mingw-ucrt)
+    ffi (1.17.4-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
     github-pages (232)
@@ -240,6 +241,8 @@ GEM
       uri (>= 0.11.1)
     nokogiri (1.19.3-x64-mingw-ucrt)
       racc (~> 1.4)
+    nokogiri (1.19.3-x86_64-linux-gnu)
+      racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
@@ -279,6 +282,7 @@ GEM
 
 PLATFORMS
   x64-mingw-ucrt
+  x86_64-linux
 
 DEPENDENCIES
   github-pages