diff --git a/Project.toml b/Project.toml
index 368fed7a..dac9dbfa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,7 +18,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 [compat]
 CuArrays = "^1, ^2"
 FFTW = "^1"
-FourierFlows = "≥0.4.5, ^0.4"
+FourierFlows = "^0.5"
 JLD2 = "^0.1"
 Reexport = "^0.2"
 SpecialFunctions = "^0.8, 0.10, ^1"