diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 643f2f1..685e123 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ concurrency:
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v5
@@ -71,7 +71,7 @@ jobs:
 
   regression-gate:
     name: Regression Gate
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v5
@@ -89,7 +89,7 @@ jobs:
 
   unit-tests:
     name: Unit Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v5
@@ -104,7 +104,7 @@ jobs:
 
   integration-tests:
     name: Integration Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v5
@@ -121,7 +121,7 @@ jobs:
 
   compatibility-tests:
     name: Compatibility Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 90
     steps:
       - uses: actions/checkout@v5
@@ -169,7 +169,7 @@ jobs:
 
   e2e-tests:
     name: E2E Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 180
     steps:
       - uses: actions/checkout@v5
@@ -248,7 +248,7 @@ jobs:
 
   backend-smoke:
     name: Backend Smoke
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v5
@@ -271,7 +271,7 @@ jobs:
       - compatibility-tests
       - e2e-tests
       - backend-smoke
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: always()
     steps:
       - name: Check all jobs
diff --git a/.github/workflows/cli-pr-check.yml b/.github/workflows/cli-pr-check.yml
index 7a8c463..91a83fe 100644
--- a/.github/workflows/cli-pr-check.yml
+++ b/.github/workflows/cli-pr-check.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   cli-test:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout
         uses: actions/checkout@v5
diff --git a/.github/workflows/doc-lint.yml b/.github/workflows/doc-lint.yml
index a5a6f1a..9707f8e 100644
--- a/.github/workflows/doc-lint.yml
+++ b/.github/workflows/doc-lint.yml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   doc-lint:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v5
diff --git a/.github/workflows/license-check.yml b/.github/workflows/license-check.yml
index ed7d3e7..d961e3a 100644
--- a/.github/workflows/license-check.yml
+++ b/.github/workflows/license-check.yml
@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   license-check:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v5
diff --git a/.github/workflows/secret-scan.yml b/.github/workflows/secret-scan.yml
index ccd488b..5a5adb7 100644
--- a/.github/workflows/secret-scan.yml
+++ b/.github/workflows/secret-scan.yml
@@ -21,7 +21,7 @@ env:
 
 jobs:
   secret-scan:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v5