diff --git a/.github/workflows/R-CMD-check.yml b/.github/workflows/R-CMD-check.yml
index 69f86f0d..4d4f9a26 100644
--- a/.github/workflows/R-CMD-check.yml
+++ b/.github/workflows/R-CMD-check.yml
@@ -85,6 +85,8 @@ jobs:
         with:
           # Guesses: Umatrix; uwot
           extra-packages: |
+            waldo@0.5.3
+            testthat@3.2.1
             Matrix@1.6-5
             RcppAnnoy@0.0.14
             RcppGSL@0.3.8