diff --git a/packaging/shadow-agent.desktop b/packaging/shadow-agent.desktop
index 053823f2..729b456f 100644
--- a/packaging/shadow-agent.desktop
+++ b/packaging/shadow-agent.desktop
@@ -13,4 +13,4 @@ Keywords=agent;llm;coding;shadowfetch;
 StartupNotify=true
 StartupWMClass=shadow-agent
 X-GNOME-UsesNotifications=true
-X-ShadowCode-Version=0.19.0
+X-ShadowCode-Version=0.20.0
diff --git a/pyproject.toml b/pyproject.toml
index b0d8a236..80be52ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "shadow-agent"
-version = "0.19.0"
+version = "0.20.0"
 description = "Linux-native, model-agnostic coding-agent harness (Claude Code / Codex alternative)"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/src/shadow_agent/__init__.py b/src/shadow_agent/__init__.py
index 11e1d74a..937828d4 100644
--- a/src/shadow_agent/__init__.py
+++ b/src/shadow_agent/__init__.py
@@ -1,3 +1,3 @@
 """ShadowCode — Linux-native autonomous coding-agent harness (brand: ShadowCode; binary: shadow; desktop id: shadow-agent)."""
 
-__version__ = "0.19.0"
+__version__ = "0.20.0"
diff --git a/tests/test_flagship_018.py b/tests/test_flagship_018.py
index cbe1a038..1597da8c 100644
--- a/tests/test_flagship_018.py
+++ b/tests/test_flagship_018.py
@@ -28,8 +28,7 @@
 from shadow_agent.store import Store
 
 ROOT = Path(__file__).resolve().parents[1]
-CANONICAL = "0.19.0"
-NATIVE_CANONICAL = "0.20.0"
+CANONICAL = "0.20.0"
 
 
 @pytest.fixture
@@ -46,14 +45,12 @@ def test_version_is_canonical_everywhere() -> None:
     pyproject = (ROOT / "pyproject.toml").read_text(encoding="utf-8")
     assert re.search(rf'^version = "{re.escape(CANONICAL)}"$', pyproject, re.M)
     readme = (ROOT / "README.md").read_text(encoding="utf-8")
-    # The legacy Python package remains 0.19 while the public README documents
-    # the standalone native application shipped as 0.20.
-    assert NATIVE_CANONICAL in readme
+    assert CANONICAL in readme
     desktop = (ROOT / "packaging" / "shadow-agent.desktop").read_text(encoding="utf-8")
     assert f"X-ShadowCode-Version={CANONICAL}" in desktop
     assert "Icon=shadow-agent" in desktop and "Name=ShadowCode" in desktop
     # No stray older version strings left in the package or README.
-    for stale in ("0.17.0", "0.16.0", "0.15.0", "0.13.0"):
+    for stale in ("0.19.0", "0.17.0", "0.16.0", "0.15.0", "0.13.0"):
         assert stale not in pyproject
         assert stale not in readme