diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 3e646f1..e96daf2 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -29,6 +29,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
+      _R_CHECK_FORCE_SUGGESTS_: false
 
     steps:
       - uses: actions/checkout@v3
@@ -43,7 +44,7 @@ jobs:
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::rcmdcheck
+          extra-packages: any::rcmdcheck, ggtree=?ignore-before-r=4.3.0
           needs: check
 
       - uses: r-lib/actions/check-r-package@v2