diff --git a/tests/testthat.R b/tests/testthat.R
index f7d9ad9..42c456e 100644
--- a/tests/testthat.R
+++ b/tests/testthat.R
@@ -1,4 +1,5 @@
 library(testthat)
 library(tensorflow)
 
-test_check("tensorflow")
+if (identical(Sys.getenv("NOT_CRAN"), "true"))
+  test_check("tensorflow")