diff --git a/.github/workflows/deploy_bookdown.yml b/.github/workflows/deploy_bookdown.yml
index 6e78e59d..c38b1293 100644
--- a/.github/workflows/deploy_bookdown.yml
+++ b/.github/workflows/deploy_bookdown.yml
@@ -14,8 +14,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: r-lib/actions/setup-r@v2
-        with:
-          r-version: '4.2.0'
       - uses: r-lib/actions/setup-pandoc@v2
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
diff --git a/.github/workflows/pr_check.yml b/.github/workflows/pr_check.yml
index 1fdda39d..4b57a53a 100644
--- a/.github/workflows/pr_check.yml
+++ b/.github/workflows/pr_check.yml
@@ -13,8 +13,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: r-lib/actions/setup-r@v2
-        with:
-          r-version: '4.2.1'
       - uses: r-lib/actions/setup-pandoc@v2
       - uses: r-lib/actions/setup-r-dependencies@v2
         with: