diff --git a/Project.toml b/Project.toml
index 80626c0..b1ae34d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,9 +8,9 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 
 [compat]
-LinearAlgebra = "≥ 1.0"
-SpecialFunctions = "≥ 0.9"
-julia = "≥ 1.4"
+LinearAlgebra = "1.0"
+SpecialFunctions = "1.0"
+julia = "1.4 - 1.6.3"
 
 [extras]
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"