diff --git a/pyproject.toml b/pyproject.toml
index d333f69..0070ad3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "regshape"
-version = "0.1.0"
+version = "0.1.1"
 description = "CLI tool and Python library for manipulating artifacts in OCI registries"
 readme = "README.md"
 requires-python = ">=3.10"
@@ -25,9 +25,15 @@ classifiers = [
 ]
 dependencies = [
     "click>=8.1.0",
+    "docker>=7.1.0",
     "requests>=2.31.0",
 ]
 
+[project.optional-dependencies]
+dev = [
+    "pytest>=9.0.3",
+]
+
 [project.urls]
 Homepage = "https://github.com/toddysm/regshape"
 Repository = "https://github.com/toddysm/regshape"