diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index e03cb13..d6ea94a 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -50,6 +50,7 @@ jobs:
       - name: Add dsBaseClient repository
         run: |
           install.packages('dsBaseClient', repos= 'http://cran.datashield.org', dependencies=TRUE)
+          install.packages('rpart)
           install.packages('dsBase', repos= 'http://cran.datashield.org', dependencies=TRUE)
         shell: Rscript {0}