diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 7139725..211e374 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -48,7 +48,7 @@ jobs:
 
           # these are allowed to fail
           # - {os: 'ubuntu-20.04', tf: 'default', r: 'devel'}
-          - {os: 'ubuntu-20.04', tf: 'nightly' , r: 'release'}
+          # - {os: 'ubuntu-20.04', tf: 'nightly' , r: 'release'}
           # - {os: 'ubuntu-20.04', tf: '2.7.0rc1', r: 'release'}
 
     runs-on: ${{ matrix.os }}