diff --git a/spec/datadog/di/integration/instrumentation_spec.rb b/spec/datadog/di/integration/instrumentation_spec.rb
index 15b6168e5f6..d561a1cfd00 100644
--- a/spec/datadog/di/integration/instrumentation_spec.rb
+++ b/spec/datadog/di/integration/instrumentation_spec.rb
@@ -545,10 +545,17 @@ def run_test
               expect(snapshot.fetch(:message)).to match(/\Ahello (\d+\.\d+) ms\z/)
               snapshot.fetch(:message) =~ /\Ahello (\d+\.\d+) ms\z/
               value = Float($1)
-              # Actual execution time will change but it should be under
-              # a second and it should be positive.
+              # Actual execution time varies greatly in CI.
+              # A method that returns an integer will ordinarily report a
+              # duration on the order of 1 millisecond.
+              # However, one time the duration reported was exactly zero.
+              # After the test method was made longer to definitely take
+              # a non-zero amount of time to execute, on one CI run it took
+              # 1.8 seconds.
+              # Therefore, the current brackets are strictly greater than
+              # zero seconds and under 4 seconds.
               expect(value).to be > 0
-              expect(value).to be < 1
+              expect(value).to be < 4
             end
             expect(InstrumentationSpecTestClass.new.long_test_method).to eq(42)
             component.probe_notifier_worker.flush