diff --git a/Project.toml b/Project.toml
index 02a46ef..30c8a1d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,10 +12,14 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 SimpleTraits = "699a6c99-e7fa-54fc-8d76-47d257e15c1d"
 
 [compat]
-AxisArrays = "≥ 0.3.0"
-FixedPointNumbers = "≥ 0.3.0"
-ImageCore = "≥ 0.2.0"
-julia = "≥ 1.0.0"
+AxisArrays = "0.3"
+Colors = "0.9"
+FixedPointNumbers = "0.5, 0.6"
+ImageCore = "0.8"
+MappedArrays = "0.2"
+Reexport = "0.2"
+SimpleTraits = "0.8, 0.9"
+julia = "1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"