diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 8e4b3ab..94035c5 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -30,7 +30,6 @@ jobs:
           - {os: ubuntu-latest,  r: '4.2'}
           - {os: ubuntu-latest,  r: '4.1'}
           - {os: ubuntu-latest,  r: '4.0'}
-          - {os: ubuntu-latest,  r: '3.6'}
 
     env:
       LANG: ${{ matrix.config.lang }}