diff --git a/tests/testthat/test-glimpse.R b/tests/testthat/test-glimpse.R
index d21e201c7..5db0c2eb2 100644
--- a/tests/testthat/test-glimpse.R
+++ b/tests/testthat/test-glimpse.R
@@ -56,6 +56,7 @@ test_that("glimpse calls tbl_sum() (#550)", {
 })
 
 test_that("output test for glimpse()", {
+  skip_if_not_installed("tibble")
   local_unknown_rows()
 
   expect_snapshot({
diff --git a/tests/testthat/test-num.R b/tests/testthat/test-num.R
index dd207ad48..199f7b729 100644
--- a/tests/testthat/test-num.R
+++ b/tests/testthat/test-num.R
@@ -1,4 +1,6 @@
 test_that("output test", {
+  skip_if_not_installed("tibble")
+
   expect_snapshot({
     tibble::tibble(
       x0 = num(9:11 * 100 + 0.5, sigfig = 3),