diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd34b55e..af71f462 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,16 +2,17 @@ name: CI
 
 on:
   push:
-    branches: ["v1", "v2", "v3", "v4", "main"]
+    branches: ["v1", "v2", "v3", "v4", "v5", "main"]
   pull_request:
-    branches: ["v1", "v2", "v3", "v4", "main"]
+    branches: ["v1", "v2", "v3", "v4", "v5", "main"]
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false
       matrix:
-        python-version: ["3.10", "3.12"]
+        python-version: ["3.7", "3.10", "3.12", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/README.md b/README.md
index 31cbf60c..7bf5696e 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ Every relationship is tagged `EXTRACTED` (found directly in source), `INFERRED`
 
 ## Install
 
-**Requires:** Python 3.10+ and one of: [Claude Code](https://claude.ai/code), [Codex](https://openai.com/codex), [OpenCode](https://opencode.ai), [Cursor](https://cursor.com), [Gemini CLI](https://github.com/google-gemini/gemini-cli), [GitHub Copilot CLI](https://docs.github.com/en/copilot/how-tos/copilot-cli), [VS Code Copilot Chat](https://code.visualstudio.com/docs/copilot/overview), [Aider](https://aider.chat), [OpenClaw](https://openclaw.ai), [Factory Droid](https://factory.ai), [Trae](https://trae.ai), [Kiro](https://kiro.dev), Hermes, or [Google Antigravity](https://antigravity.google)
+**Requires:** Python 3.7+ (tested through Python 3.14) and one of: [Claude Code](https://claude.ai/code), [Codex](https://openai.com/codex), [OpenCode](https://opencode.ai), [Cursor](https://cursor.com), [Gemini CLI](https://github.com/google-gemini/gemini-cli), [GitHub Copilot CLI](https://docs.github.com/en/copilot/how-tos/copilot-cli), [VS Code Copilot Chat](https://code.visualstudio.com/docs/copilot/overview), [Aider](https://aider.chat), [OpenClaw](https://openclaw.ai), [Factory Droid](https://factory.ai), [Trae](https://trae.ai), [Kiro](https://kiro.dev), Hermes, or [Google Antigravity](https://antigravity.google)
 
 ```bash
 # Recommended — works on Mac and Linux with no PATH setup needed
diff --git a/pyproject.toml b/pyproject.toml
index c98027d0..eec4b7ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=68"]
+requires = ["setuptools>=61"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -9,9 +9,10 @@ description = "AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor,
 readme = "README.md"
 license = { file = "LICENSE" }
 keywords = ["claude", "claude-code", "codex", "opencode", "cursor", "gemini", "aider", "kiro", "knowledge-graph", "rag", "graphrag", "obsidian", "community-detection", "tree-sitter", "leiden", "llm"]
-requires-python = ">=3.10,<3.14"
+requires-python = ">=3.7,<3.15"
 dependencies = [
-    "networkx",
+    "networkx<3.0; python_version < '3.8'",
+    "networkx>=3.0; python_version >= '3.8'",
     "tree-sitter>=0.23.0",
     "tree-sitter-python",
     "tree-sitter-javascript",