diff --git a/scripts/ci_install_project.sh b/scripts/ci_install_project.sh
index f0d58ec1b6..6d8e14044c 100755
--- a/scripts/ci_install_project.sh
+++ b/scripts/ci_install_project.sh
@@ -9,11 +9,16 @@ INSTALL_SCOPE="system"
 readonly LEGACY_CONTROL_PLANE_PACKAGE_NAME="aragora-debate"
 readonly LEGACY_CONTROL_PLANE_MARKER_PATH="aragora/server"
 
+# Floor pins below are kept in lockstep with `pyproject.toml`'s
+# `[project.optional-dependencies]` (test/gateway/enterprise/dev/all). The
+# constraint solver enforces the higher floor at install time — having the
+# two files disagree creates noise and confusion. If pyproject.toml raises
+# any floor, mirror it here.
 LEGACY_CONTROL_PLANE_BASE_DEPS=(
   "aiohttp>=3.13.3,<4.0"
   "websockets>=13.0,<15.1"
   "pyyaml>=6.0.3,<7.0"
-  "pydantic>=2.0,<3.0"
+  "pydantic>=2.13.2,<3.0"            # aligned to pyproject [test]
   "pydantic-settings>=2.0,<3.0"
   "bcrypt>=4.0,<6.0"
   "cryptography>=46.0,<48.0"
@@ -27,14 +32,14 @@ LEGACY_CONTROL_PLANE_BASE_DEPS=(
   "watchfiles>=0.21,<2.0"
   "boto3>=1.34,<2.0"
   "PyJWT>=2.8,<3.0"
-  "fastapi>=0.109.0,<1.0"
-  "uvicorn[standard]>=0.27.0,<1.0"
+  "fastapi>=0.135.3,<1.0"            # aligned to pyproject [gateway]/[all]
+  "uvicorn[standard]>=0.44.0,<1.0"   # aligned to pyproject [gateway]/[all]
   "python-multipart>=0.0.22"
   "mcp>=1.0,<2.0"
 )
 
 LEGACY_CONTROL_PLANE_DEV_DEPS=(
-  "pytest>=7.0,<10.0"
+  "pytest>=9.0.3,<10.0"              # aligned to pyproject [test]
   "pytest-asyncio>=0.21,<2.0"
   "pytest-benchmark>=4.0,<6.0"
   "pytest-cov>=4.0,<8.0"
@@ -45,14 +50,14 @@ LEGACY_CONTROL_PLANE_DEV_DEPS=(
   "black>=23.0,<27.0"
   "ruff>=0.1,<1.0"
   "bandit>=1.7,<2.0"
-  "mypy>=1.8,<2.0"
+  "mypy>=1.19.0,<2.0"                # aligned to pyproject [dev]
   "types-jsonschema"
   "types-PyYAML"
   "mutmut>=3.0,<4.0"
   "pre-commit>=3.6,<5.0"
   "datamodel-code-generator==0.54.0"
   "async-timeout>=4.0,<6.0"
-  "python3-saml>=1.15,<2.0"
+  "python3-saml>=1.16.0,<2.0"        # aligned to pyproject [enterprise]/[all]
   "tiktoken>=0.5,<1.0"
 )
 
@@ -60,7 +65,7 @@ LEGACY_CONTROL_PLANE_TEST_EXTRA_DEPS=(
   "aiosqlite>=0.19,<1.0"
   "supabase>=2.0,<3.0"
   "redis>=5.0.0,<8.0"
-  "asyncpg>=0.29.0,<1.0"
+  "asyncpg>=0.31.0,<1.0"             # aligned to pyproject [enterprise]/[all]
   "yt-dlp>=2024.1,<2027.0"
   "openai>=2.0,<3.0"
   "twilio>=8.0,<10.0"