diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index c400837..cb68329 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -25,7 +25,7 @@ jobs:
           - { os: macos-latest, r: "release" }
           - { os: ubuntu-latest, r: "devel", http-user-agent: "release" }
           - { os: ubuntu-latest, r: "release" }
-          - { os: ubuntu-latest, r: "oldrel-1" }
+          # - { os: ubuntu-latest, r: "oldrel-1" }
           # - { os: ubuntu-latest, r: "oldrel-2" }
           # - { os: ubuntu-latest, r: "oldrel-3" }