diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 1199961..9216d14 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,6 +1,9 @@
 name: Test and coverage checks
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [$default-branch, $protected-branches]
+  pull_request: {}
 
 jobs:
   eslint:
@@ -20,7 +23,8 @@ jobs:
           check-latest: true
       - name: Setup yarn
         run: |
-          corepack enable yarn@1
+          corepack enable yarn
+          corepack install
       - name: Install dependencies
         run: |
           yarn --frozen-lockfile --ignore-scripts
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index d0a65cb..d7b90f6 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,6 +1,9 @@
 name: Style and form checks
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [$default-branch, $protected-branches]
+  pull_request: {}
 
 jobs:
   eslint:
@@ -20,7 +23,8 @@ jobs:
           check-latest: true
       - name: Setup yarn
         run: |
-          corepack enable yarn@1
+          corepack enable yarn
+          corepack install
       - name: Install dependencies
         run: |
           yarn --frozen-lockfile --ignore-scripts
diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index 60ba08f..7e9fc92 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -1,6 +1,9 @@
 name: TypeScript checks
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [$default-branch, $protected-branches]
+  pull_request: {}
 
 jobs:
   eslint:
@@ -20,7 +23,8 @@ jobs:
           check-latest: true
       - name: Setup yarn
         run: |
-          corepack enable yarn@1
+          corepack enable yarn
+          corepack install
       - name: Install dependencies
         run: |
           yarn --frozen-lockfile --ignore-scripts