diff --git a/ci/r.yml b/ci/r.yml
index f257fbd..305c2cf 100644
--- a/ci/r.yml
+++ b/ci/r.yml
@@ -19,12 +19,12 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        r-version: [3.5, 3.6]
+        r-version: ['3.6.3', '4.1.1']
 
     steps:
       - uses: actions/checkout@v2
       - name: Set up R ${{ matrix.r-version }}
-        uses: r-lib/actions/setup-r@ffe45a39586f073cc2e9af79c4ba563b657dc6e3
+        uses: r-lib/actions/setup-r@f57f1301a053485946083d7a45022b278929a78a
         with:
           r-version: ${{ matrix.r-version }}
       - name: Install dependencies