diff --git a/tests/testthat/test-averaging.R b/tests/testthat/test-averaging.R
index 72eb46403..60bede68b 100644
--- a/tests/testthat/test-averaging.R
+++ b/tests/testthat/test-averaging.R
@@ -1,4 +1,5 @@
 skip_if_not_installed("MuMIn")
+skip_if_not_installed("withr")
 skip_on_cran()
 
 withr::with_options(