diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 75c3c1f..c26b6de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,6 +44,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     timeout-minutes: 60
     steps:
+      - name: Install sbt
+        if: contains(runner.os, 'macos')
+        run: brew install sbt
+
       - name: Checkout current branch (full)
         uses: actions/checkout@v4
         with:
@@ -134,6 +138,10 @@ jobs:
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Install sbt
+        if: contains(runner.os, 'macos')
+        run: brew install sbt
+
       - name: Checkout current branch (full)
         uses: actions/checkout@v4
         with:
@@ -281,13 +289,17 @@ jobs:
 
   dependency-submission:
     name: Submit Dependencies
-    if: github.event_name != 'pull_request'
+    if: github.event.repository.fork == false && github.event_name != 'pull_request'
     strategy:
       matrix:
         os: [ubuntu-latest]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Install sbt
+        if: contains(runner.os, 'macos')
+        run: brew install sbt
+
       - name: Checkout current branch (full)
         uses: actions/checkout@v4
         with:
@@ -333,6 +345,10 @@ jobs:
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Install sbt
+        if: contains(runner.os, 'macos')
+        run: brew install sbt
+
       - name: Checkout current branch (full)
         uses: actions/checkout@v4
         with:
@@ -369,7 +385,7 @@ jobs:
 
       - name: Publish site
         if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
-        uses: peaceiris/actions-gh-pages@v3.9.3
+        uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: site/target/docs/site
diff --git a/project/plugins.sbt b/project/plugins.sbt
index c252173..a2d031e 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
-addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.16.3")
+addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.17.3")
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")