diff --git a/Project.toml b/Project.toml
index 9833f82..eb50d8b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -48,7 +48,7 @@ Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
 ChainRulesTestUtils = "cdddcdb0-9152-4a09-a978-84456f9df70a"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
-#IntervalRootFinding = "d2bf35a9-74e0-55ec-b149-d360ff49b807"
+IntervalRootFinding = "d2bf35a9-74e0-55ec-b149-d360ff49b807"
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
 Polynomials = "f27b6e38-b328-58d1-80ce-0feddd5e7a45"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"