diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b429f13d967..f8818d217c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,33 +15,33 @@ jobs:
       fail-fast: false
       matrix:
         os_name: ['Linux']
-        runner: [ubuntu-24.04]
         arch: ['x86_64']
         build_preset: ['Sanitizer_CI']
         toolchain: ['GNU']
         clang_plugins: [false]
+        runner: ['blacksmith-16vcpu-ubuntu-2404']
 
         include:
           - os_name: 'Linux'
-            runner: ubuntu-24.04
             arch: 'x86_64'
             build_preset: 'Sanitizer_CI'
             toolchain: 'Clang'
             clang_plugins: true
+            runner: 'blacksmith-16vcpu-ubuntu-2404'
 
           - os_name: 'macOS'
-            runner: macos-15
             arch: 'arm64'
             build_preset: 'Sanitizer_CI'
             toolchain: 'Clang'
             clang_plugins: false
+            runner: 'macos-15'
 
           - os_name: 'Linux'
-            runner: ubuntu-24.04
             arch: 'x86_64'
             build_preset: 'Fuzzers_CI'
             toolchain: 'Clang'
             clang_plugins: false
+            runner: 'blacksmith-16vcpu-ubuntu-2404'
 
     uses: ./.github/workflows/lagom-template.yml
     with:
diff --git a/.github/workflows/js-artifacts.yml b/.github/workflows/js-artifacts.yml
index 7739dd2c61e..fcede731500 100644
--- a/.github/workflows/js-artifacts.yml
+++ b/.github/workflows/js-artifacts.yml
@@ -17,15 +17,15 @@ jobs:
       fail-fast: false
       matrix:
         os_name: ['Linux']
-        runner: ['ubuntu-24.04']
         arch: ['x86_64']
         package_type: ['Linux-x86_64']
+        runner: ['blacksmith-8vcpu-ubuntu-2404']
 
         include:
           - os_name: 'macOS'
-            runner: 'macos-15'
             arch: 'arm64'
             package_type: 'macOS-universal2'
+            runner: 'macos-15'
 
     steps:
       - name: Checkout LadybirdBrowser/ladybird
diff --git a/.github/workflows/nightly-lagom.yml b/.github/workflows/nightly-lagom.yml
index aa278cd395f..dbc628bad77 100644
--- a/.github/workflows/nightly-lagom.yml
+++ b/.github/workflows/nightly-lagom.yml
@@ -18,47 +18,47 @@ jobs:
       fail-fast: false
       matrix:
         os_name: ['Linux']
-        runner: [ubuntu-24.04-arm]
         arch: ['arm64']
         build_preset: ['Sanitizer_CI']
         toolchain: ['Clang']
         clang_plugins: [false]
+        runner: ['blacksmith-8vcpu-ubuntu-2404-arm']
 
         include:
           - os_name: 'Linux'
-            runner: ubuntu-24.04
             arch: 'x86_64'
             build_preset: 'Distribution_CI'
             toolchain: 'GNU'
             clang_plugins: false
+            runner: 'blacksmith-8vcpu-ubuntu-2404'
 
           - os_name: 'macOS'
-            runner: macos-15
             arch: 'arm64'
             build_preset: 'Distribution_CI'
             toolchain: 'Clang'
             clang_plugins: false
+            runner: 'macos-15'
 
           - os_name: 'Linux'
-            runner: ubuntu-24.04-arm
             arch: 'arm64'
             build_preset: 'Distribution_CI'
             toolchain: 'Clang'
             clang_plugins: false
+            runner: 'blacksmith-8vcpu-ubuntu-2404-arm'
 
           - os_name: 'Linux'
-            runner: ubuntu-24.04
             arch: 'x86_64'
             build_preset: 'Sanitizer_CI'
             toolchain: 'Swift'
             clang_plugins: false
+            runner: 'blacksmith-8vcpu-ubuntu-2404'
 
           - os_name: 'macOS'
-            runner: macos-15
             arch: 'arm64'
             build_preset: 'Sanitizer_CI'
             toolchain: 'Swift'
             clang_plugins: false
+            runner: 'macos-15'
 
     uses: ./.github/workflows/lagom-template.yml
     with: