diff --git a/Project.toml b/Project.toml
index d26e3b9..5954a16 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,7 +16,7 @@ Distributions = "0.22, 0.23, 0.24, 0.25"
 FillArrays = "0.8, 0.9, 0.10, 0.11, 0.12, 0.13"
 KrylovKit = "0.4, 0.5"
 Roots = "0.8, 1"
-julia = "1.2"
+julia = "1.4"
 
 [extras]
 Expokit = "a1e7a1ef-7a5d-5822-a38c-be74e1bb89f4"