diff --git a/src/ray/util/sample_test.cc b/src/ray/util/sample_test.cc
index 76fc9182b..a68791114 100644
--- a/src/ray/util/sample_test.cc
+++ b/src/ray/util/sample_test.cc
@@ -61,7 +61,7 @@ TEST_F(RandomSampleTest, TestLargerThanSampleSize) {
 }
 
 TEST_F(RandomSampleTest, TestEqualOccurrenceChance) {
-  int trials = 100000;
+  int trials = 1000000;
   std::vector<int> occurrences(test_vector->size(), 0);
   for (int i = 0; i < trials; i++) {
     random_sample(test_vector->begin(), test_vector->end(), test_vector->size() / 2,