diff --git a/Project.toml b/Project.toml
index e7d3a527..6f5773ab 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,7 +13,7 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Roots = "f2b01f46-fcfa-551c-844a-d8ac1e96c665"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
-TaylorSeries = "6aa5eb33-94cf-58f4-a9d0-e4b2c4fc25ea"
+TaylorDiff = "b36ab563-344f-407b-a36a-4f200bebf99c"
 
 [compat]
 Cubature = "1.5"
@@ -24,7 +24,6 @@ MvNormalCDF = "0.2, 0.3"
 Roots = "1, 2"
 SpecialFunctions = "2"
 StatsBase = "0.33, 0.34"
-TaylorSeries = "0.12, 0.13, 0.14, 0.15"
 julia = "1.6.0"
 
 [extras]
diff --git a/src/ArchimedeanCopula.jl b/src/ArchimedeanCopula.jl
index 515325ba..eaf13389 100644
--- a/src/ArchimedeanCopula.jl
+++ b/src/ArchimedeanCopula.jl
@@ -18,11 +18,7 @@ function Distributions.cdf(C::CT,u) where {CT<:ArchimedeanCopula}
 end
 ϕ⁽¹⁾(C::CT, t) where {CT<:ArchimedeanCopula} = ForwardDiff.derivative(x -> ϕ(C,x), t)
 function ϕ⁽ᵈ⁾(C::ArchimedeanCopula{d},t) where d
-    X = Taylor1(eltype(t),d)
-    taylor_expansion = ϕ(C,t+X)
-    coef = getcoeff(taylor_expansion,d) # gets the dth coef. 
-    der = coef * factorial(d) # gets the dth derivative of $\phi$ taken in t. 
-    return der
+    return TaylorDiff.derivative(x -> ϕ(C,x), t, d)
 end
 function Distributions._logpdf(C::CT, u) where {CT<:ArchimedeanCopula}
     d = length(C)
diff --git a/src/Copulas.jl b/src/Copulas.jl
index 2f25dbf3..ce8c7c62 100644
--- a/src/Copulas.jl
+++ b/src/Copulas.jl
@@ -14,7 +14,7 @@ end Copulas
     import Roots
     using Distributions
     using StatsBase
-    using TaylorSeries
+    import TaylorDiff
     import ForwardDiff
     import Cubature
     import MvNormalCDF