diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 625f0e1f6..ae98bfadb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,6 +34,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: true
       - name: Install dependencies(only dev group)
         run: uv sync --only-group dev
@@ -52,6 +53,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: true
       - name: Install dependencies(only dev group)
         run: uv sync --only-group dev
@@ -70,6 +72,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: true
       - name: Install dependencies
         run: |
@@ -106,6 +109,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: true
       - name: Install dependencies
         run: |
@@ -142,6 +146,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: true
           python-version: '3.11'
       - name: Install dependencies
@@ -185,6 +190,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: true
           # python-version: ${{ matrix.python-version }}
           python-version: '3.11'
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 9c3cb8774..e2ba56b97 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -51,6 +51,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           python-version: "3.11"
 
       - name: Build prose-only HTML
@@ -81,6 +82,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           python-version: "3.11"
 
       - name: Install system deps
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 75a735227..5587bd17a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,6 +19,7 @@ jobs:
           persist-credentials: false
       - uses: astral-sh/setup-uv@v8.0.0
         with:
+          version: "0.12.5"
           enable-cache: false
       - name: Verify tag matches project version
         if: startsWith(github.ref, 'refs/tags/v')
diff --git a/Dockerfile b/Dockerfile
index 4a0789220..b6f22e944 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libsm6 \
     && rm -rf /var/lib/apt/lists/*
 
-RUN curl -LsSf https://astral.sh/uv/install.sh | sh
+RUN curl -LsSf https://astral.sh/uv/0.12.5/install.sh | sh
 
 WORKDIR /workspace/UniLab
 
diff --git a/docs/sphinx/source/en/1-getting_started/2-installation.md b/docs/sphinx/source/en/1-getting_started/2-installation.md
index 402bee672..a6b1282bd 100644
--- a/docs/sphinx/source/en/1-getting_started/2-installation.md
+++ b/docs/sphinx/source/en/1-getting_started/2-installation.md
@@ -29,8 +29,8 @@ live in the getting-started and algorithm pages.
 ## Clone And Sync
 
 ```bash
-# Linux / macOS:
-curl -LsSf https://astral.sh/uv/install.sh | sh
+# Linux / macOS (the repository pins uv via [tool.uv] required-version):
+curl -LsSf https://astral.sh/uv/0.12.5/install.sh | sh
 
 # Windows PowerShell:
 # powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
diff --git a/docs/sphinx/source/zh_CN/1-getting_started/2-installation.md b/docs/sphinx/source/zh_CN/1-getting_started/2-installation.md
index 18c6bcf36..a3cf2ada2 100644
--- a/docs/sphinx/source/zh_CN/1-getting_started/2-installation.md
+++ b/docs/sphinx/source/zh_CN/1-getting_started/2-installation.md
@@ -26,8 +26,8 @@
 ## 克隆与同步
 
 ```bash
-# Linux / macOS：
-curl -LsSf https://astral.sh/uv/install.sh | sh
+# Linux / macOS（仓库通过 [tool.uv] required-version 固定 uv 版本）：
+curl -LsSf https://astral.sh/uv/0.12.5/install.sh | sh
 
 # Windows PowerShell：
 # powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
diff --git a/pyproject.rocm.toml b/pyproject.rocm.toml
index 2b249cc9b..820207e70 100644
--- a/pyproject.rocm.toml
+++ b/pyproject.rocm.toml
@@ -93,6 +93,7 @@ triton-rocm = [
 ]
 
 [tool.uv]
+required-version = "==0.12.5"
 exclude-dependencies = [
     "torchvision",
     "nvidia-cublas-cu12",
diff --git a/pyproject.toml b/pyproject.toml
index 396336b05..decd7ff02 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -133,6 +133,7 @@ torch = [
 ]
 
 [tool.uv]
+required-version = "==0.12.5"
 exclude-dependencies = ["torchvision"]
 required-environments = [
     "sys_platform == 'darwin' and platform_machine == 'arm64'",