diff --git a/Project.toml b/Project.toml
index 56d1400..7093ed4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,9 +12,9 @@ ROMEO = "1ea8258b-a15d-4adb-ad20-01632f467a84"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-DataStructures = "0.18"
+DataStructures = "0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18"
 FFTW = "1"
 Interpolations = "0.12, 0.13"
 NIfTI = "0.4, 0.5"
-ROMEO = "0.1.4,0.2"
+ROMEO = "0.1.4, 0.2"
 julia = "1.3"
diff --git a/README.md b/README.md
index 3a87dee..936c28b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![Codecov](https://codecov.io/gh/korbinian90/MriResearchTools.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/korbinian90/MriResearchTools.jl)
 
 ## Prerequisites
-A Julia installation v1.1 or higher is required.
+A Julia installation v1.3 or higher is required.
 
 Magnitude and Phase images in NIfTI fileformat (4D images with echoes in the 4th dimension)