diff --git a/README.md b/README.md
index adbfece3..79eeef4c 100644
--- a/README.md
+++ b/README.md
@@ -127,8 +127,22 @@ ai_attribution = "forbid"
 [branch]
 # https://conventionalbranch.org
 conventional_branch = true
-allow_branch_types = ["feature", "bugfix", "hotfix", "release", "chore", "feat", "fix"]
-```
+allow_branch_types = [
+    "feature",
+    "bugfix",
+    "hotfix",
+    "release",
+    "chore",
+    "feat",
+    "fix",
+    "build",
+    "ci",
+    "docs",
+    "perf",
+    "refactor",
+    "style",
+    "test",
+]```
 
 > [!TIP]
 > **IDE Autocompletion**
diff --git a/commit_check/__init__.py b/commit_check/__init__.py
index e3c59b11..341b9f6b 100644
--- a/commit_check/__init__.py
+++ b/commit_check/__init__.py
@@ -41,6 +41,13 @@
     "chore",
     "feat",
     "fix",
+    "build",
+    "ci",
+    "docs",
+    "perf",
+    "refactor",
+    "test",
+    "style",
     # AI agent prefixes (conventional branch spec v1.1.0)
     "ai",
     "claude",
diff --git a/docs/configuration.rst b/docs/configuration.rst
index 6b42c9b9..4b1495f2 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -135,7 +135,7 @@ Example Configuration
     [branch]
     # https://conventionalbranch.org
     conventional_branch = true
-    allow_branch_types = ["feature", "bugfix", "hotfix", "release", "chore", "feat", "fix"]
+    allow_branch_types = ["feature", "bugfix", "hotfix", "release", "chore", "feat", "fix", "build", "ci", "docs", "perf", "refactor", "test", "style"]
     # allow_branch_names = []  # Optional - additional standalone branch names (e.g., ["develop", "staging"])
     # require_rebase_target = "main"  # Optional - no rebase requirement by default
     # ignore_authors = []      # Optional - no authors ignored by default
@@ -433,7 +433,7 @@ Options Table Description
    * - branch
      - allow_branch_types
      - list[str]
-     - ["feature", "bugfix", "hotfix", "release", "chore", "feat", "fix"]
+     - ["feature", "bugfix", "hotfix", "release", "chore", "feat", "fix", "build", "ci", "docs", "perf", "refactor", "test", "style"]
      - Allowed branch types when conventional_branch is true. AI agent prefixes (``ai/``, ``claude/``, ``codex/``, ``copilot/``, ``cursor/``) and bot prefixes (``dependabot/``) are also included by default.
    * - branch
      - allow_branch_names
diff --git a/tests/rule_builder_test.py b/tests/rule_builder_test.py
index c4f4763f..8f50a036 100644
--- a/tests/rule_builder_test.py
+++ b/tests/rule_builder_test.py
@@ -228,6 +228,13 @@ def test_ai_agent_and_bot_branch_types_in_default(self):
         assert "cursor" in DEFAULT_BRANCH_TYPES
         assert "dependabot" in DEFAULT_BRANCH_TYPES
         assert "renovate" in DEFAULT_BRANCH_TYPES
+        assert "build" in DEFAULT_BRANCH_TYPES
+        assert "ci" in DEFAULT_BRANCH_TYPES
+        assert "docs" in DEFAULT_BRANCH_TYPES
+        assert "perf" in DEFAULT_BRANCH_TYPES
+        assert "refactor" in DEFAULT_BRANCH_TYPES
+        assert "style" in DEFAULT_BRANCH_TYPES
+        assert "test" in DEFAULT_BRANCH_TYPES
 
         config = {"branch": {"conventional_branch": True}}
         builder = RuleBuilder(config)
@@ -236,6 +243,14 @@ def test_ai_agent_and_bot_branch_types_in_default(self):
         assert rule is not None
 
         valid_branches = [
+            # Conventional branch types matching default commit types
+            "build/update-ci-image",
+            "ci/github-actions",
+            "docs/update-readme",
+            "perf/optimize-parser",
+            "refactor/simplify-engine",
+            "style/format-code",
+            "test/add-api-tests",
             # AI agent branches
             "ai/refactor-auth-flow",
             "claude/stoic-hypatia-v65p1f",