diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 613db0e6..d8dc4fe6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -18,7 +18,7 @@ env:
 
 jobs:
   check-title:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: actions/checkout@v4
@@ -39,7 +39,7 @@ jobs:
           echo "PR title contains a valid ticket number."
 
   test:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
@@ -69,7 +69,7 @@ jobs:
         run: go test -v ./...
 
   build-oss-api:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
@@ -89,7 +89,7 @@ jobs:
 
   docker-oss-api:
     needs: [test, build-oss-api]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
@@ -111,7 +111,7 @@ jobs:
           tags: ${{ env.TEST_TAG_OSS_API }}
   
   build-internal-api:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
@@ -131,7 +131,7 @@ jobs:
 
   docker-internal-api:
     needs: [test, build-internal-api]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
@@ -153,7 +153,7 @@ jobs:
           tags: ${{ env.TEST_TAG_INTERNAL_API }}
 
   build-onboarding-worker:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
@@ -173,7 +173,7 @@ jobs:
 
   docker-onboarding-worker:
     needs: [test, build-onboarding-worker]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 960b0cdb..9eaadfb2 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -30,7 +30,7 @@ jobs:
     #   - https://gh.io/supported-runners-and-hardware-resources
     #   - https://gh.io/using-larger-runners
     # Consider using larger runners for possible analysis time improvements.
-    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'blacksmith-4vcpu-ubuntu-2404' }}
     timeout-minutes: ${{ (matrix.language == 'swift' && 120) || 360 }}
     permissions:
       # required for all workflows
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 27b16dba..b1af8a63 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   dependency-review:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49 # v2.12.2
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 2b91a089..39196da4 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -20,7 +20,7 @@ permissions: read-all
 jobs:
   analysis:
     name: Scorecard analysis
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     permissions:
       # Needed to upload the results to code-scanning dashboard.
       security-events: write