diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 97f4463..0794c95 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -9,7 +9,7 @@
       "name": "mempalace",
       "source": "./.claude-plugin",
       "description": "AI memory system — mine projects and conversations into a searchable palace. 19 MCP tools, auto-save hooks, guided setup.",
-      "version": "3.0.12",
+      "version": "3.0.11",
       "author": {
         "name": "milla-jovovich"
       }
diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 7d927d4..295b247 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "mempalace",
-  "version": "3.0.12",
+  "version": "3.0.11",
   "description": "Give your AI a memory — mine projects and conversations into a searchable palace. 19 MCP tools, auto-save hooks, and guided setup.",
   "author": {
     "name": "milla-jovovich"
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 7d1a09e..480a21f 100644
--- a/.codex-plugin/plugin.json
+++ b/.codex-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "mempalace",
-  "version": "3.0.12",
+  "version": "3.0.11",
   "description": "Give your AI a memory — mine projects and conversations into a searchable palace. 19 MCP tools, auto-save hooks, and guided setup.",
   "author": {
     "name": "milla-jovovich"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index be2a2cf..2f6ea60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,6 +47,6 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           python-version: "3.11"
-      - run: pip install ruff
+      - run: pip install "ruff>=0.4.0,<0.5"
       - run: ruff check .
       - run: ruff format --check .
diff --git a/mempalace/version.py b/mempalace/version.py
index b2a0d20..6bf70fc 100644
--- a/mempalace/version.py
+++ b/mempalace/version.py
@@ -1,3 +1,3 @@
 """Single source of truth for the MemPalace package version."""
 
-__version__ = "3.0.12"
+__version__ = "3.0.11"
diff --git a/pyproject.toml b/pyproject.toml
index 950b691..c28715f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "mempalace"
-version = "3.0.12"
+version = "3.0.11"
 description = "Give your AI a memory — mine projects and conversations into a searchable palace. No API key required."
 readme = "README.md"
 requires-python = ">=3.9"