diff --git a/Project.toml b/Project.toml
index 12e66a2..cf2af09 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,13 +8,15 @@ version = "10.0.0"
 [deps]
 HTTP = "cd3eb016-35fb-5094-929b-558a96fad6f3"
 JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
-SQLite = "0aa819cd-b072-5ca4-8fd4-e0e014ffd12d"
+SQLite = "0aa819cd-b072-5ff4-a722-6bc24af294d9"
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 LightXML = "9c8b4983-aa76-5018-a973-4c85ecc9e179"
 SHA = "ea8e919c-243c-51af-8825-aaa63cd721ce"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+FFTW = "7a1cc6ca-52ef-59f5-83cd-3a7055c09341"
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 
 [compat]
@@ -24,6 +26,7 @@ JSON3 = "1.14"
 SQLite = "1.6"
 DataFrames = "1.6"
 LightXML = "0.9"
+FFTW = "1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/src/EconomicToolkit.jl b/src/EconomicToolkit.jl
new file mode 100644
index 0000000..115ff6c
--- /dev/null
+++ b/src/EconomicToolkit.jl
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: MPL-2.0
+include("julia/EconomicToolkit.jl")
diff --git a/test/runtests.jl b/test/runtests.jl
new file mode 100644
index 0000000..10271fd
--- /dev/null
+++ b/test/runtests.jl
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: MPL-2.0
+include(joinpath(@__DIR__, "..", "tests", "julia", "runtests.jl"))
+include(joinpath(@__DIR__, "..", "tests", "julia", "test_client.jl"))