diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bed346a4..cf3a0066 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - name: Run sh-checker
         uses: luizm/action-sh-checker@v0.9.0
         env:
@@ -23,7 +43,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - name: Install C# dependencies
         run: just install-csharp
       - name: Lint project
@@ -32,7 +72,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - uses: actions/setup-go@v5
         with:
           go-version: 1.23
@@ -43,7 +103,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - name: Install Java dependencies
         run: just install-java
       - name: Lint project
@@ -52,7 +132,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - name: Install dependencies
         run: just install-node
       - name: Lint project
@@ -63,7 +163,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - name: Install dependencies
         run: just install-php
       - name: Lint project
@@ -72,7 +192,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - name: Install Python dependencies
         run: just install-python
       - name: Lint project
@@ -83,7 +223,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: extractions/setup-just@v3
+      - name: Install just
+        shell: bash
+        run: |
+          set -euo pipefail
+          install_dir="${RUNNER_TEMP:-/tmp}/just-bin"
+          mkdir -p "$install_dir"
+          # Resolve the latest release tag via the github.com redirect to avoid
+          # api.github.com rate limits on shared runner egress IPs.
+          latest_url=$(curl -fsSLI -o /dev/null -w '%{url_effective}' https://github.com/casey/just/releases/latest)
+          just_version="${latest_url##*/tag/}"
+          case "$RUNNER_OS" in
+            Windows) asset="just-${just_version}-x86_64-pc-windows-msvc.zip" ;;
+            macOS)   asset="just-${just_version}-x86_64-apple-darwin.tar.gz" ;;
+            *)       asset="just-${just_version}-x86_64-unknown-linux-musl.tar.gz" ;;
+          esac
+          curl -fL "https://github.com/casey/just/releases/download/${just_version}/${asset}" -o "$install_dir/$asset"
+          case "$asset" in
+            *.zip) unzip -o "$install_dir/$asset" -d "$install_dir" ;;
+            *)     tar -xzf "$install_dir/$asset" -C "$install_dir" ;;
+          esac
+          echo "$install_dir" >> "$GITHUB_PATH"
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.2'