diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d945151..f1aa3b0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -7,6 +7,10 @@ on:
     branches: [master]
     tags: '*'
 
+permissions:
+  actions: write
+  contents: read
+  
 concurrency: 
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
@@ -14,7 +18,7 @@ concurrency:
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -25,15 +29,8 @@ jobs:
         os: [ubuntu-latest, macOS-latest, windows-latest]
         arch: [x64]
     steps:
-      - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@latest
-        with:
-          version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
-      - uses: julia-actions/cache@v1
-      - uses: julia-actions/julia-buildpkg@latest
-      - uses: julia-actions/julia-runtest@latest
-      - uses: julia-actions/julia-processcoverage@latest
-      - uses: codecov/codecov-action@v3
-        with:
-          file: lcov.info
+    - uses: actions/checkout@v4
+    - uses: julia-actions/setup-julia@v2
+    - uses: julia-actions/cache@v2
+    - uses: julia-actions/julia-buildpkg@v1
+    - uses: julia-actions/julia-runtest@v1