diff --git a/Project.toml b/Project.toml
index 68c8f80a3..05d6a5069 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,7 +39,7 @@ DataFrames = "0.19.1, 0.20, 0.21, 0.22, 1.0"
 DataStructures = "0.17, 0.18"
 DelimitedFiles = "1"
 Distributions = "0.21, 0.22, 0.23, 0.24, 0.25"
-Electron = "3.1, 4, 5"
+Electron = "3.1, 4, 5, 6"
 FileIO = "1"
 FilePaths = "0.8"
 GlobalSensitivityAnalysis = "1.0"