diff --git a/pyproject.toml b/pyproject.toml
index 4e58c08..e830cec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,10 +15,12 @@ classifiers = [
     'Topic :: Software Development :: Libraries',
     'Typing :: Typed'
 ]
+packages = [
+    { include = "expycted", from = "src" },
+]
 [tool.poetry.dependencies]
 python = "^3.6"
 
-[tool.poetry.dev-dependencies]
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
diff --git a/src/expycted/__init__.py b/src/expycted/__init__.py
index b35a7b7..45460ac 100644
--- a/src/expycted/__init__.py
+++ b/src/expycted/__init__.py
@@ -1,4 +1,4 @@
-from expycted.internals import (
+from expycted.internals.value import (
     To,
     ToNot
 )
diff --git a/src/expycted/internals/__init__.py b/src/expycted/internals/value.py
similarity index 100%
rename from src/expycted/internals/__init__.py
rename to src/expycted/internals/value.py