diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 9a08b9253d..9e4800494d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -1,4 +1,4 @@
-name: "CodeQL Scanning"
+name: CodeQL Scanning
 
 on:
   push:
@@ -9,11 +9,11 @@ on:
 jobs:
   CodeQL-Build:
     name: CodeQL Build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
 
     steps:
       - name: Checkout Source Files
-          uses: actions/checkout@v2
+        uses: actions/checkout@v2
         with:
           # We must fetch at least the immediate parents so that if this is
           # a pull request then we can checkout the head.
diff --git a/.github/workflows/cypress.yml b/.github/workflows/cypress.yml
index 192d269c78..63eacbd013 100644
--- a/.github/workflows/cypress.yml
+++ b/.github/workflows/cypress.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - master
+
 jobs:
   cypress-run:
     name: Cypress Tests
diff --git a/.github/workflows/lighthouse-ci.yml b/.github/workflows/lighthouse-ci.yml
index a0c4fbe7df..bc30f7ce98 100644
--- a/.github/workflows/lighthouse-ci.yml
+++ b/.github/workflows/lighthouse-ci.yml
@@ -1,8 +1,9 @@
 name: Lighthouse CI
 on:
   push:
-    # Treat the below branches as special case for working on workflows
-    - actions-**
+    branches:
+      # Treat the below branches as special case for working on workflows
+      - actions-**
   schedule:
     # run this Action every 14 days
     - cron: '0 * */14 * *'
@@ -11,7 +12,6 @@ on:
 jobs:
   lighthouseci:
     name: Lighthouse CI
-    runs-on: ubuntu-latest
     runs-on: ubuntu-18.04
     services:
       mongodb:
diff --git a/.github/workflows/node.js-tests.yml b/.github/workflows/node.js-tests.yml
index 44f7a5ad79..74c4b2668d 100644
--- a/.github/workflows/node.js-tests.yml
+++ b/.github/workflows/node.js-tests.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
 
     strategy:
       matrix: