diff --git a/.github/assets/badge-license-dark.svg b/.github/assets/badge-license-dark.svg
index 4118e0e..c7106df 100644
--- a/.github/assets/badge-license-dark.svg
+++ b/.github/assets/badge-license-dark.svg
@@ -1,9 +1,9 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="127" height="34">
-  <rect x="0.5" y="0.5" width="126" height="33" rx="8" fill="#ffffff" stroke="#e5e7eb"/>
+<svg xmlns="http://www.w3.org/2000/svg" width="168" height="34">
+  <rect x="0.5" y="0.5" width="167" height="33" rx="8" fill="#ffffff" stroke="#e5e7eb"/>
   <text x="15" y="22" font-family="Inter, -apple-system, system-ui, sans-serif"
         font-size="13" font-weight="500" fill="#6b7280">License</text>
-  <rect x="71" y="5" width="48" height="24" rx="6" fill="#059669"/>
-  <text x="95" y="22" text-anchor="middle"
+  <rect x="71" y="5" width="89" height="24" rx="6" fill="#059669"/>
+  <text x="115.5" y="22" text-anchor="middle"
         font-family="Inter, -apple-system, system-ui, sans-serif"
-        font-size="13" font-weight="700" fill="#ffffff">MIT</text>
+        font-size="13" font-weight="700" fill="#ffffff">Apache 2.0</text>
 </svg>
\ No newline at end of file
diff --git a/.github/assets/badge-license-light.svg b/.github/assets/badge-license-light.svg
index b874e44..334a5e5 100644
--- a/.github/assets/badge-license-light.svg
+++ b/.github/assets/badge-license-light.svg
@@ -1,9 +1,9 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="127" height="34">
-  <rect x="0.5" y="0.5" width="126" height="33" rx="8" fill="#1e293b" stroke="#334155"/>
+<svg xmlns="http://www.w3.org/2000/svg" width="168" height="34">
+  <rect x="0.5" y="0.5" width="167" height="33" rx="8" fill="#1e293b" stroke="#334155"/>
   <text x="15" y="22" font-family="Inter, -apple-system, system-ui, sans-serif"
         font-size="13" font-weight="500" fill="#94a3b8">License</text>
-  <rect x="71" y="5" width="48" height="24" rx="6" fill="#10b981"/>
-  <text x="95" y="22" text-anchor="middle"
+  <rect x="71" y="5" width="89" height="24" rx="6" fill="#10b981"/>
+  <text x="115.5" y="22" text-anchor="middle"
         font-family="Inter, -apple-system, system-ui, sans-serif"
-        font-size="13" font-weight="700" fill="#ffffff">MIT</text>
+        font-size="13" font-weight="700" fill="#ffffff">Apache 2.0</text>
 </svg>
\ No newline at end of file
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4e4f0f7..d6eb48d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -17,7 +17,7 @@ EvoScientist is a multi-agent AI system for automated scientific experimentation
 | Fact | Value |
 |------|-------|
 | Language | Python 3.11+ |
-| License | MIT |
+| License | Apache 2.0 |
 | Framework | [DeepAgents](https://github.com/langchain-ai/deepagents) + [LangChain](https://python.langchain.com/) + [LangGraph](https://langchain-ai.github.io/langgraph/) |
 | Default model | `claude-sonnet-4-6` (Anthropic) |
 | Tests | ~890 across 36 files, no API keys needed |
diff --git a/README.md b/README.md
index abf4aa7..848d360 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 </picture></a><a href="https://github.com/EvoScientist/EvoScientist/blob/main/LICENSE"><picture>
   <source media="(prefers-color-scheme: light)" srcset=".github/assets/badge-license-light.svg">
   <source media="(prefers-color-scheme: dark)" srcset=".github/assets/badge-license-dark.svg">
-  <img alt="License MIT" src=".github/assets/badge-license-light.svg" height="28">
+  <img alt="License Apache 2.0" src=".github/assets/badge-license-light.svg" height="28">
 </picture></a>
 </div>
 
@@ -460,7 +460,7 @@ We welcome contributions from developers, researchers, and AI coding agents at a
 
 ## 📜 License
 
-This project is licensed under the MIT License - see the [LICENSE](./LICENSE) file for details.
+This project is licensed under the Apache License 2.0 - see the [LICENSE](./LICENSE) file for details.
 
 <p align="right"><a href="#top">🔝Back to top</a></p>
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 3876659..b06c695 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -27,7 +27,7 @@
 </picture></a><a href="https://github.com/EvoScientist/EvoScientist/blob/main/LICENSE"><picture>
   <source media="(prefers-color-scheme: light)" srcset=".github/assets/badge-license-light.svg">
   <source media="(prefers-color-scheme: dark)" srcset=".github/assets/badge-license-dark.svg">
-  <img alt="License MIT" src=".github/assets/badge-license-light.svg" height="28">
+  <img alt="License Apache 2.0" src=".github/assets/badge-license-light.svg" height="28">
 </picture></a>
 </div>
 
@@ -471,7 +471,7 @@ Jan Piotrowski, Wiktor Cupiał, Jakub Kaliski, Jakub Filipiuk, Xinhao Yi, Shuyu
 
 ## 📜 许可证
 
-本项目基于 MIT 许可证开源——详情请见 [LICENSE](./LICENSE) 文件。
+本项目基于 Apache License 2.0 开源——详情请见 [LICENSE](./LICENSE) 文件。
 
 <p align="right"><a href="#top">🔝回到顶部</a></p>
 
diff --git a/pyproject.toml b/pyproject.toml
index 35834af..de2a05b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.0.1"
 description = "EvoScientist: Towards Self-Evolving AI Scientists for End-to-End Scientific Discovery"
 readme = "README.md"
 requires-python = ">=3.11"
-license = "MIT"
+license = "Apache-2.0"
 authors = [
     { name = "Xi Zhang" },
 ]