diff --git a/tests/testthat/test-icc.R b/tests/testthat/test-icc.R
index f362b3107..73f8b6e3f 100644
--- a/tests/testthat/test-icc.R
+++ b/tests/testthat/test-icc.R
@@ -121,6 +121,7 @@ test_that("icc", {
 
 
 test_that("icc, glmmTMB 1.1.9+", {
+  skip_if_not_installed("glmmTMB")
   set.seed(101)
   dd <- data.frame(
     z = rnorm(1000),