diff --git a/Project.toml b/Project.toml
index 2ac6f61f..b108bc90 100644
--- a/Project.toml
+++ b/Project.toml
@@ -37,7 +37,7 @@ DataDeps = "0.7"
 DataFrames = "1.3"
 DelimitedFiles = "1"
 FileIO = "1.14"
-FixedPointNumbers = "0.8"
+FixedPointNumbers = "0.8, 0.9"
 GZip = "0.5, 0.6"
 Glob = "1.3"
 HDF5 = "0.16.2, 0.17"