diff --git a/.github/workflows/build-preview.yaml b/.github/workflows/build-preview.yaml
index 3ef0404..b832454 100644
--- a/.github/workflows/build-preview.yaml
+++ b/.github/workflows/build-preview.yaml
@@ -18,7 +18,7 @@ permissions:
 
 jobs:
   build-preview:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       # for debugging
@@ -32,7 +32,7 @@ jobs:
 
       - name: Install Ruby packages
         if: github.event.action != 'closed'
-        uses: ruby/setup-ruby@v1.172.0
+        uses: ruby/setup-ruby@v1.264.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
diff --git a/.github/workflows/build-site.yaml b/.github/workflows/build-site.yaml
index 6194c83..8ac8142 100644
--- a/.github/workflows/build-site.yaml
+++ b/.github/workflows/build-site.yaml
@@ -17,7 +17,7 @@ permissions:
 
 jobs:
   build-site:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       # for debugging
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Ruby packages
-        uses: ruby/setup-ruby@v1.172.0
+        uses: ruby/setup-ruby@v1.264.0
         with:
           ruby-version: "3.1"
           bundler-cache: true
diff --git a/.github/workflows/first-time-setup.yaml b/.github/workflows/first-time-setup.yaml
index 415e284..0d26b5a 100644
--- a/.github/workflows/first-time-setup.yaml
+++ b/.github/workflows/first-time-setup.yaml
@@ -10,7 +10,7 @@ permissions:
 
 jobs:
   first-time-setup:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       # for debugging
diff --git a/.github/workflows/on-schedule.yaml b/.github/workflows/on-schedule.yaml
index 5934592..a940933 100644
--- a/.github/workflows/on-schedule.yaml
+++ b/.github/workflows/on-schedule.yaml
@@ -22,8 +22,3 @@ jobs:
     with:
       open-pr: true
 
-  build-preview:
-    runs-on: ubuntu-latest
-    needs: update-citations
-    if: needs.update-citations.outputs.changed == 'true'
-    uses: ./.github/workflows/build-preview.yaml
diff --git a/.github/workflows/update-citations.yaml b/.github/workflows/update-citations.yaml
index f6ff6ec..8cb2fcd 100644
--- a/.github/workflows/update-citations.yaml
+++ b/.github/workflows/update-citations.yaml
@@ -24,7 +24,7 @@ env:
 
 jobs:
   update-citations:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 15
 
     steps:
diff --git a/.github/workflows/update-url.yaml b/.github/workflows/update-url.yaml
index b3573a5..ca79a72 100644
--- a/.github/workflows/update-url.yaml
+++ b/.github/workflows/update-url.yaml
@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   update-url:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       # for debugging