diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ebd30cb..77a18d2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -26,7 +26,7 @@ jobs:
     env:
       ALPHA_VANTAGE_API_KEY: ${{ secrets.ALPHA_VANTAGE_API_KEY }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
@@ -55,7 +55,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: julia-actions/setup-julia@v1
         with:
           version: '1'