diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 70f8963..a6dd9b0 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "simul",
-  "version": "0.0.44",
+  "version": "0.0.45",
   "description": "3D simulation and DCC skills — scene setup, physics, materials, camera, scripting, and headless workflows for Isaac Sim, Unreal Engine, Blender, and USD",
   "author": {
     "name": "khemoo",
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4f28ea7..df9cacc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,15 +35,15 @@ jobs:
       matrix:
         python-version: ["3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@caf0cab7a618c569241d31dcd442f54681755d39  # v3.2.4
         with:
           enable-cache: true
 
@@ -76,15 +76,15 @@ jobs:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main' || github.event_name == 'pull_request'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Set up Python 3.11
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0
         with:
           python-version: "3.11"
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@caf0cab7a618c569241d31dcd442f54681755d39  # v3.2.4
         with:
           enable-cache: true
 
diff --git a/pyproject.toml b/pyproject.toml
index ad515c3..4678765 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "simul-mcp"
-version = "0.0.44"
+version = "0.0.45"
 description = "MCP server for 3D simulation and DCC tools — USD scene control, Isaac Sim, Blender, and Unreal Engine integration"
 authors = [
     {name = "khemoo"}
diff --git a/src/simul_mcp/__init__.py b/src/simul_mcp/__init__.py
index 73b7021..ca6a2c3 100644
--- a/src/simul_mcp/__init__.py
+++ b/src/simul_mcp/__init__.py
@@ -5,7 +5,7 @@
 USD scene understanding, mesh operations, and runtime integration capabilities.
 """
 
-__version__ = "0.0.44"
+__version__ = "0.0.45"
 __author__ = "khemoo"
 __email__ = ""
 
diff --git a/src/simul_mcp/bridge_ext/khemoo.simul.mcp/config/extension.toml b/src/simul_mcp/bridge_ext/khemoo.simul.mcp/config/extension.toml
index 9e117f8..e2f88d7 100644
--- a/src/simul_mcp/bridge_ext/khemoo.simul.mcp/config/extension.toml
+++ b/src/simul_mcp/bridge_ext/khemoo.simul.mcp/config/extension.toml
@@ -1,5 +1,5 @@
 [package]
-version = "0.0.44"
+version = "0.0.45"
 category = "Utility"
 title = "Simul MCP Bridge"
 description = "Production-oriented Isaac Sim bridge transport for Simul MCP with typed requests and VS Code fallback compatibility."