diff --git a/Project.toml b/Project.toml
index 628633d..b462d97 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,11 +4,14 @@ authors = ["Niccolò Baldelli <niccolo.baldelli@icfo.eu>, Matthew Fishman <mfish
 version = "0.1.0"
 
 [deps]
+ITensorMPS = "0d1a4710-d33b-49a5-8f18-73bdf49b47e2"
 ITensors = "9136182c-28ba-11e9-034c-db9fb085ebd5"
 TupleTools = "9d95972d-f1c8-5527-a6e0-b4b365fa01f6"
 
 [compat]
-ITensors = "0.3.18"
+ITensorMPS = "0.1"
+ITensors = "0.3.18, 0.4, 0.5, 0.6"
+TupleTools = "1"
 julia = "1.6"
 
 [extras]
diff --git a/README.md b/README.md
index f2338cf..23ef989 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ITensorCorrelators
 
-This is a package for efficiently measuring n-point correlators of matrix product states (MPS), built on top of the [ITensors.jl](https://github.com/ITensor/ITensors.jl) library.
+This is a package for efficiently measuring n-point correlators of matrix product states (MPS), built on top of the [ITensors.jl](https://github.com/ITensor/ITensors.jl) and [ITensorMPS.jl](https://github.com/ITensor/ITensorMPS.jl) libraries.
 
 ## Installation
 
@@ -15,7 +15,7 @@ julia> Pkg.add(url="https://github.com/ITensor/ITensorCorrelators.jl.git")
 
 As an example, to compute the correlator `<Sz_i Sz_j Sz_k Sz_l>` on some set of sites `i, j, k, l`, you can use the `correlator` function:
 ```julia
-using ITensors
+using ITensors, ITensorMPS
 using ITensorCorrelators
 
 s = siteinds("S=1/2", 10)
diff --git a/examples/4_point_correlator.jl b/examples/4_point_correlator.jl
index ae642d1..46dc881 100644
--- a/examples/4_point_correlator.jl
+++ b/examples/4_point_correlator.jl
@@ -1,4 +1,4 @@
-using ITensors
+using ITensors, ITensorMPS
 using ITensorCorrelators
 using Random
 
diff --git a/src/ITensorCorrelators.jl b/src/ITensorCorrelators.jl
index e61f41f..50e26e2 100644
--- a/src/ITensorCorrelators.jl
+++ b/src/ITensorCorrelators.jl
@@ -1,6 +1,6 @@
 module ITensorCorrelators
 
-using ITensors
+using ITensors, ITensorMPS
 
 include("correlator_bosonic_repeat.jl")
 include("correlator_bosonic_recursive.jl")
diff --git a/test/Project.toml b/test/Project.toml
index 340ddf6..ffcb09a 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -1,4 +1,5 @@
 [deps]
+ITensorMPS = "0d1a4710-d33b-49a5-8f18-73bdf49b47e2"
 ITensors = "9136182c-28ba-11e9-034c-db9fb085ebd5"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"