diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8692461a..c4d4e306 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -3,7 +3,7 @@ on: [pull_request, push]
 jobs:
   #################### Unittests ####################
   unittest:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2204
     strategy:
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         id: python
-        uses: actions/setup-python@v5
+        uses: useblacksmith/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -24,7 +24,7 @@ jobs:
   #################### Integration tests ####################
   integration:
     needs: [unittest]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2204
     continue-on-error: ${{ matrix.experimental }}
     strategy:
       fail-fast: false
@@ -41,7 +41,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         id: python
-        uses: actions/setup-python@v5
+        uses: useblacksmith/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -60,7 +60,7 @@ jobs:
   #################### Linters and checkers ####################
   lint:
     needs: [unittest, integration]
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2204
     strategy:
       matrix:
         python-version: ["3.10"]
@@ -71,7 +71,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         id: python
-        uses: actions/setup-python@v5
+        uses: useblacksmith/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 11d37e28..a19a2a5d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -21,7 +21,7 @@ on:
 jobs:
   analyze:
     name: Analyze
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2204
     permissions:
       actions: read
       contents: read
diff --git a/.github/workflows/semgrep.yml b/.github/workflows/semgrep.yml
index bcd300a7..3141455d 100644
--- a/.github/workflows/semgrep.yml
+++ b/.github/workflows/semgrep.yml
@@ -13,7 +13,7 @@ name: Semgrep
 jobs:
   semgrep:
     name: Scan
-    runs-on: ubuntu-20.04
+    runs-on: blacksmith-4vcpu-ubuntu-2204
     env:
       SEMGREP_APP_TOKEN: ${{ secrets.SEMGREP_APP_TOKEN }}
     container: