diff --git a/DifferentiationInterfaceTest/docs/Project.toml b/DifferentiationInterfaceTest/docs/Project.toml
index f20889356..592bb1dd1 100644
--- a/DifferentiationInterfaceTest/docs/Project.toml
+++ b/DifferentiationInterfaceTest/docs/Project.toml
@@ -13,4 +13,5 @@ Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
+DataFrames = "1"
 Documenter = "1"