diff --git a/test/rate_by_service_sampler_test.rb b/test/rate_by_service_sampler_test.rb
index aef0c46d720..2d971dedbb4 100644
--- a/test/rate_by_service_sampler_test.rb
+++ b/test/rate_by_service_sampler_test.rb
@@ -3,8 +3,8 @@
 
 module Datadog
   class RateByServiceSamplerTest < Minitest::Test
-    MAX_DEVIATION = 0.3
-    ITERATIONS_PER_SERVICE = 1_000
+    MAX_DEVIATION = 0.2
+    ITERATIONS_PER_SERVICE = 10_000
     DEFAULT_RATE = 0.5
 
     def setup