diff --git a/pyproject.toml b/pyproject.toml
index 00f6ee39..a2d2064f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,6 +89,7 @@ dev = [
     "safety>=3.7.0",
     "setuptools>=82.0.1",
     "wheel>=0.47.0",
+    "tomli>=2.0 ; python_version < '3.11'",
 ]
 
 [tool.uv]
diff --git a/tools/skillgen/gen.py b/tools/skillgen/gen.py
index b91505c1..7e9c80aa 100644
--- a/tools/skillgen/gen.py
+++ b/tools/skillgen/gen.py
@@ -27,7 +27,10 @@ import argparse
 import re
 import subprocess
 import sys
-import tomllib
+try:
+    import tomllib  # Python 3.11+ stdlib
+except ModuleNotFoundError:  # Python 3.10 - graphify supports >=3.10
+    import tomli as tomllib  # type: ignore[no-redef]
 from dataclasses import dataclass, field
 from pathlib import Path