diff --git a/Project.toml b/Project.toml
index 6a8cbe945bd51b1468cb4182c7e347405acfeceb..c54f98868a2a62a51b77bc2a94166f4c630b615e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,7 +39,7 @@ DocStringExtensions = "^0.8, ^0.9"
 HDF5 = "^0.16, ^0.17"
 HTTP = "^1"
 KM3NeTTestData = "^0.4.7"
-KM3io = "^0.15.0, ^0.16.2"
+KM3io = "^0.16.3"
 LandauDistribution = "^0.2"
 ProgressMeter = "^1"
 RecipesBase = "^0.7, ^0.8, ^1"