diff --git a/Project.toml b/Project.toml
index 4e3cfef..dc781c6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,4 +1,4 @@
-name = "TensorNetworkFunctionals"
+name = "ITensorNumericalAnalysis"
 uuid = "666f501e-685d-4e36-ab44-ece85df6022b"
 authors = ["Joseph Tindall <joeytindall94@googlemail.com>", "Ryan Levy <rlevy@flatironinstitute.org>"]
 version = "0.1.0"
diff --git a/examples/2d_laplace_solver.jl b/examples/2d_laplace_solver.jl
index 7167d2e..55bb2aa 100644
--- a/examples/2d_laplace_solver.jl
+++ b/examples/2d_laplace_solver.jl
@@ -1,5 +1,5 @@
 using Test
-using TensorNetworkFunctionals
+using ITensorNumericalAnalysis
 
 using Graphs: SimpleGraph, uniform_tree, binary_tree, random_regular_graph, is_tree
 using NamedGraphs:
diff --git a/src/TensorNetworkFunctionals.jl b/src/ITensorNumericalAnalysis.jl
similarity index 96%
rename from src/TensorNetworkFunctionals.jl
rename to src/ITensorNumericalAnalysis.jl
index b21a0a1..f177a53 100644
--- a/src/TensorNetworkFunctionals.jl
+++ b/src/ITensorNumericalAnalysis.jl
@@ -1,4 +1,4 @@
-module TensorNetworkFunctionals
+module ITensorNumericalAnalysis
 
 include("itensornetworksutils.jl")
 include("bitmaps.jl")
diff --git a/test/runtests.jl b/test/runtests.jl
index a16cfe6..316ae4f 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,11 +1,11 @@
 using Test
 using Glob
 using ITensorNetworks
-using TensorNetworkFunctionals
+using ITensorNumericalAnalysis
 
 # https://discourse.julialang.org/t/rdir-search-recursive-for-files-with-a-given-name-pattern/75605/12
 @testset "test directory $root" for (root, dirs, files) in walkdir(
-  joinpath(pkgdir(TensorNetworkFunctionals), "test")
+  joinpath(pkgdir(ITensorNumericalAnalysis), "test")
 )
   test_files = filter!(f -> occursin(Glob.FilenameMatch("test_*.jl"), f), files)
   @testset "Test file $test_file" for test_file in test_files
diff --git a/test/test_bitmaps.jl b/test/test_bitmaps.jl
index 42b3b83..37ecde0 100644
--- a/test/test_bitmaps.jl
+++ b/test/test_bitmaps.jl
@@ -1,5 +1,5 @@
 using Test
-using TensorNetworkFunctionals
+using ITensorNumericalAnalysis
 
 using NamedGraphs: named_grid, vertices
 using ITensors: siteinds
diff --git a/test/test_itensorfunction.jl b/test/test_itensorfunction.jl
index dc32f9f..abd59fe 100644
--- a/test/test_itensorfunction.jl
+++ b/test/test_itensorfunction.jl
@@ -1,5 +1,5 @@
 using Test
-using TensorNetworkFunctionals
+using ITensorNumericalAnalysis
 
 using Graphs: SimpleGraph, uniform_tree
 using NamedGraphs: NamedGraph, named_grid, vertices, named_comb_tree, rename_vertices
diff --git a/test/test_operators.jl b/test/test_operators.jl
index bbe26e8..0d345c7 100644
--- a/test/test_operators.jl
+++ b/test/test_operators.jl
@@ -1,11 +1,11 @@
 using Test
-using TensorNetworkFunctionals
+using ITensorNumericalAnalysis
 
 using ITensors: siteinds
 using ITensorNetworks: maxlinkdim
 using Graphs: SimpleGraph, uniform_tree
 using NamedGraphs: named_grid, named_comb_tree, NamedGraph, nv, vertices
-using TensorNetworkFunctionals: itensornetwork
+using ITensorNumericalAnalysis: itensornetwork
 using Dictionaries: Dictionary
 
 @testset "test laplacian in 1D on MPS" begin