diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3a716e4..af4c0f2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ env:
 jobs:
   security-check:
     name: Security Check
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -41,7 +41,7 @@ jobs:
 
   lint-and-format:
     name: Lint & Format Check
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs: security-check
     steps:
       - name: Checkout code
@@ -85,7 +85,7 @@ jobs:
 
   test-backend:
     name: Backend Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs: security-check
     steps:
       - name: Checkout code
@@ -122,7 +122,7 @@ jobs:
 
   chain-build-test:
     name: DRP Chain Build & Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs: security-check
     defaults:
       run:
@@ -197,7 +197,7 @@ jobs:
 
   build-and-test:
     name: Build & Integration Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs: [lint-and-format, test-backend, chain-build-test]
     steps:
       - name: Checkout code
@@ -238,7 +238,7 @@ jobs:
 
   security-scan:
     name: Security Scan
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index e69b4b4..428f72b 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index a5a8b99..a72cd48 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -11,7 +11,7 @@ on:
 jobs:
   secret-scan:
     name: Secret Scanning
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -97,7 +97,7 @@ jobs:
 
   dependency-scan:
     name: Dependency Vulnerability Scan
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -148,7 +148,7 @@ jobs:
 
   code-quality:
     name: Code Quality & Security
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -207,7 +207,7 @@ jobs:
 
   security-test:
     name: Security Tests
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -253,7 +253,7 @@ jobs:
 
   notify-security:
     name: Security Notification
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: failure()
     needs: [secret-scan, dependency-scan, code-quality, security-test]
     steps: