diff --git a/Project.toml b/Project.toml
index b1033b3..f7c9201 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,7 +22,7 @@ TransformVariables = "84d833dd-6860-57f9-a1a7-6da5db126cff"
 
 [compat]
 CSV = "0.6, 0.7, 0.8"
-DataFrames = "0.19, 0.20, 0.21, 0.22"
+DataFrames = "0.19, 0.20, 0.21, 0.22, 1.0"
 Distributions = "0.21, 0.22, 0.23, 0.24"
 DynamicHMC = "2.1, 3.0"
 LogDensityProblems = "0.9, 0.10"