diff --git a/DifferentiationInterface/Project.toml b/DifferentiationInterface/Project.toml
index 9199ac2db..9c34d546f 100644
--- a/DifferentiationInterface/Project.toml
+++ b/DifferentiationInterface/Project.toml
@@ -47,7 +47,7 @@ DifferentiationInterfaceZygoteExt = ["Zygote", "ForwardDiff"]
 ADTypes = "1.2.0"
 ChainRulesCore = "1.23.0"
 Compat = "3,4"
-Diffractor = "=0.2.6"
+Diffractor = "=0.2.6, 0.2"
 DocStringExtensions = "0.9.3"
 Enzyme = "0.11.20,0.12"
 FastDifferentiation = "0.3.9"
@@ -73,7 +73,6 @@ ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
-# DifferentiationInterfaceTest = "a82114a7-5aa3-49a8-9643-716bb13727a3"
 Diffractor = "9f5e2b26-1114-432f-b630-d3fe2085c51c"
 Enzyme = "7da242da-08ed-463a-9acd-ee780be4f1d9"
 FastDifferentiation = "eb9bf01b-bf85-4b60-bf87-ee5de06c00be"
@@ -96,17 +95,4 @@ Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [targets]
-test = [
-    "ADTypes",
-    "Aqua",
-    "DataFrames",
-    # "DifferentiationInterfaceTest",
-    "JET",
-    "JuliaFormatter",
-    "Pkg",
-    "SparseArrays",
-    "SparseConnectivityTracer",
-    "SparseMatrixColorings",
-    "StableRNGs",
-    "Test",
-]
+test = ["ADTypes", "Aqua", "DataFrames", "JET", "JuliaFormatter", "Pkg", "SparseArrays", "SparseConnectivityTracer", "SparseMatrixColorings", "StableRNGs", "Test"]