From 418eae4ba6f67a99df816f5b10f1f243e344efe8 Mon Sep 17 00:00:00 2001
From: Yihui Xie <xie@yihui.name>
Date: Thu, 1 Aug 2024 16:25:11 -0500
Subject: [PATCH] add more versions

---
 .github/workflows/R-old-check.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/R-old-check.yaml b/.github/workflows/R-old-check.yaml
index c676c44..c6999d1 100644
--- a/.github/workflows/R-old-check.yaml
+++ b/.github/workflows/R-old-check.yaml
@@ -22,7 +22,10 @@ jobs:
           - {os: ubuntu-latest,   r: '3.5'}
           - {os: ubuntu-latest,   r: '3.4'}
           - {os: ubuntu-latest,   r: '3.3'}
+          - {os: ubuntu-latest,   r: '3.2'}
+          - {os: ubuntu-latest,   r: '3.1'}
           - {os: ubuntu-latest,   r: '3.0'}
+          - {os: ubuntu-latest,   r: '2.15'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}