diff --git a/Project.toml b/Project.toml
index 10a4d85..d25467c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,7 +20,7 @@ DiffEqBase = "^6"
 DoubleFloats = "1"
 FFTW = "^1"
 GenericSchur = "0.4, 0.5"
-Polynomials = "^1, 2.0"
+Polynomials = "^1, 2.0, 3"
 Reexport = "^0.2, 1.0"
 julia = "^1"