diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 301bd8cb..1ea6a95f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,8 +21,8 @@ jobs:
           - nightly
         R:
           - 'release'
-          - '4'
-          - '3'
+          - '4.0'
+          - '3.0'
         os: [ubuntu-latest]
         arch: [x64]
         experimental: [false]