diff --git a/requirements.txt b/requirements.txt
index 07564c3..9405dd1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ graphviz
 pillow
 pyyaml
 setuptools
+tabulate
diff --git a/setup.py b/setup.py
index 6ce5013..54c8026 100644
--- a/setup.py
+++ b/setup.py
@@ -19,9 +19,10 @@ setup(
     long_description_content_type="text/markdown",
     install_requires=[
         "click",
-        "pyyaml",
-        "pillow",
         "graphviz",
+        "pillow",
+        "pyyaml",
+        "tabulate",
     ],
     license="GPLv3",
     keywords="cable connector hardware harness wiring wiring-diagram wiring-harness",