diff --git a/tests/cli/test_managed_sidecar_source.py b/tests/cli/test_managed_sidecar_source.py
index 72f86df6c..4ac1ba976 100644
--- a/tests/cli/test_managed_sidecar_source.py
+++ b/tests/cli/test_managed_sidecar_source.py
@@ -44,14 +44,14 @@ def _package(root: Path) -> Path:
     return package
 
 
-def test_rewrite_uses_source_snapshot_and_pins_public_sdk() -> None:
+def test_rewrite_uses_source_snapshot_and_pins_runtime_dependencies() -> None:
     rewritten = rewrite_managed_sidecar_requirements(
         "\n".join(
             (
                 "veadk-python[harness-sidecar]>=1.1.1",
                 "agentkit_sdk_python>=0.8.0,<0.9.0",
                 "agentkit-harness-sidecar-integration==0.1.0",
-                "google-adk>=1.34.0",
+                "google_adk==1.23.0",
                 "",
             )
         )
@@ -61,8 +61,10 @@ def test_rewrite_uses_source_snapshot_and_pins_public_sdk() -> None:
     assert "veadk-python[" not in rewritten
     assert "agentkit-harness-sidecar-integration" not in rewritten
     assert rewritten.splitlines()[1] == "agentkit-sdk-python==0.8.4"
+    assert rewritten.splitlines()[2] == "google-adk>=1.34.0"
     assert rewritten.splitlines().count("agentkit-sdk-python==0.8.4") == 1
-    assert "google-adk>=1.34.0" in rewritten
+    assert rewritten.splitlines().count("google-adk>=1.34.0") == 1
+    assert "google_adk==1.23.0" not in rewritten
 
 
 def test_rewrite_preserves_comments_and_rejects_missing_veadk() -> None:
@@ -111,6 +113,8 @@ def test_stage_copies_only_safe_runtime_source_and_rewrites_requirements(
     assert not (project / "veadk/.env.local").exists()
     requirements = (project / "requirements.txt").read_text(encoding="utf-8")
     assert requirements.splitlines().count("agentkit-sdk-python==0.8.4") == 1
+    assert requirements.splitlines().count("google-adk>=1.34.0") == 1
+    assert "\ngoogle-adk\n" not in f"\n{requirements}"
     assert "veadk-python[" not in requirements
 
 
diff --git a/veadk/cli/managed_sidecar_source.py b/veadk/cli/managed_sidecar_source.py
index 0c8b08273..b9bef72a6 100644
--- a/veadk/cli/managed_sidecar_source.py
+++ b/veadk/cli/managed_sidecar_source.py
@@ -26,9 +26,11 @@
 _REMOVED_DISTRIBUTIONS = {
     "agentkit-sdk-python",
     "agentkit-harness-sidecar-integration",
+    "google-adk",
     "veadk-python",
 }
 _MANAGED_SDK_REQUIREMENT = "agentkit-sdk-python==0.8.4"
+_MANAGED_ADK_REQUIREMENT = "google-adk>=1.34.0"
 _IGNORED_PARTS = {".git", "__pycache__", "webui"}
 _IGNORED_SUFFIXES = {".pyc", ".pyo"}
 _BLOCKED_SUFFIXES = {".key", ".p12", ".pem", ".pfx"}
@@ -64,7 +66,7 @@ def _canonical_requirement_name(line: str) -> str | None:
 
 
 def rewrite_managed_sidecar_requirements(requirements: str) -> str:
-    """Use in-snapshot VeADK and install the approved public SDK explicitly."""
+    """Use in-snapshot VeADK and install approved runtime dependencies."""
 
     lines: list[str] = []
     veadk_removed = False
@@ -76,14 +78,11 @@ def rewrite_managed_sidecar_requirements(requirements: str) -> str:
         lines.append(line)
     if not veadk_removed:
         raise ManagedSidecarSourceError("veadk_requirement_missing")
-    lines.insert(
-        0,
-        _MANAGED_SDK_REQUIREMENT,
-    )
-    lines.insert(
-        0,
+    lines[0:0] = [
         "# veadk-python is provided by the Studio-managed public source snapshot.",
-    )
+        _MANAGED_SDK_REQUIREMENT,
+        _MANAGED_ADK_REQUIREMENT,
+    ]
     return "\n".join(lines).rstrip() + "\n"