diff --git a/Project.toml b/Project.toml
index d6ce04941..3bf804450 100644
--- a/Project.toml
+++ b/Project.toml
@@ -93,7 +93,7 @@ Distributions = "0.25"
 DocStringExtensions = "0.8, 0.9"
 FFTW = "1"
 FileIO = "1"
-FixedPointNumbers = "0.8"
+FixedPointNumbers = "0.8, 0.9"
 GeometricalPredicates = "0.4"
 GeometryBasics = "0.4"
 Graphs = "1"