diff --git a/Project.toml b/Project.toml
index 9e58f4e..aa56944 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,7 +32,7 @@ FlowWorkspace = "0.1"
 GigaSOM = "0.6"
 GigaScatter = "0.1"
 HTTP = "0.9"
-ImageIO = "0.4, 0.5"
+ImageIO = "0.4, 0.5, 0.6"
 Images = "0.24, 0.25"
 Impute = "0.6"
 JSON = "0.21"