From 71778cb72116ab896e89e288fcdede868ea4f395 Mon Sep 17 00:00:00 2001
From: Mason Daugherty <mason@langchain.dev>
Date: Tue, 16 Dec 2025 22:23:25 -0500
Subject: [PATCH] feat(infra): add CI check for out of date lockfiles (#34397)

---
 .github/workflows/_lint.yml |  6 ++++++
 libs/Makefile               | 20 +++++++++++++++++++
 libs/core/uv.lock           |  2 +-
 libs/langchain/uv.lock      | 10 +++++-----
 libs/langchain_v1/uv.lock   |  8 ++++----
 libs/model-profiles/uv.lock | 40 ++++++++++++++++++++++++++++++++-----
 libs/text-splitters/uv.lock |  2 +-
 7 files changed, 72 insertions(+), 16 deletions(-)
 create mode 100644 libs/Makefile

diff --git a/.github/workflows/_lint.yml b/.github/workflows/_lint.yml
index f1de8b390a5..63d28bfe94a 100644
--- a/.github/workflows/_lint.yml
+++ b/.github/workflows/_lint.yml
@@ -47,6 +47,12 @@ jobs:
           cache-suffix: lint-${{ inputs.working-directory }}
           working-directory: ${{ inputs.working-directory }}
 
+      - name: "🔒 Verify Lockfile is Up-to-Date"
+        working-directory: ${{ inputs.working-directory }}
+        run: |
+          unset UV_FROZEN
+          uv lock --check
+
       - name: "📦 Install Lint & Typing Dependencies"
         working-directory: ${{ inputs.working-directory }}
         run: |
diff --git a/libs/Makefile b/libs/Makefile
new file mode 100644
index 00000000000..23aa554af95
--- /dev/null
+++ b/libs/Makefile
@@ -0,0 +1,20 @@
+# Makefile for libs/ directory
+# Contains targets that operate across multiple packages
+
+LANGCHAIN_DIRS = core text-splitters langchain langchain_v1 model-profiles
+
+.PHONY: lock check-lock
+
+# Regenerate lockfiles for all core packages
+lock:
+	@for dir in $(LANGCHAIN_DIRS); do \
+		echo "=== Locking $$dir ==="; \
+		(cd $$dir && uv lock); \
+	done
+
+# Verify all lockfiles are up-to-date
+check-lock:
+	@for dir in $(LANGCHAIN_DIRS); do \
+		echo "=== Checking $$dir ==="; \
+		(cd $$dir && uv lock --check) || exit 1; \
+	done
diff --git a/libs/core/uv.lock b/libs/core/uv.lock
index 919c0f3f3e3..4674b961cc4 100644
--- a/libs/core/uv.lock
+++ b/libs/core/uv.lock
@@ -1078,7 +1078,7 @@ typing = [
 
 [[package]]
 name = "langchain-tests"
-version = "1.1.0"
+version = "1.1.1"
 source = { directory = "../standard-tests" }
 dependencies = [
     { name = "httpx" },
diff --git a/libs/langchain/uv.lock b/libs/langchain/uv.lock
index ed44461a61e..98c23a6b8a5 100644
--- a/libs/langchain/uv.lock
+++ b/libs/langchain/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.10.0, <4.0.0"
 resolution-markers = [
     "python_full_version >= '3.14' and platform_python_implementation == 'PyPy'",
@@ -2458,7 +2458,7 @@ typing = [
 
 [[package]]
 name = "langchain-core"
-version = "1.1.0"
+version = "1.2.2"
 source = { editable = "../core" }
 dependencies = [
     { name = "jsonpatch" },
@@ -2639,7 +2639,7 @@ wheels = [
 
 [[package]]
 name = "langchain-openai"
-version = "1.1.0"
+version = "1.1.4"
 source = { editable = "../partners/openai" }
 dependencies = [
     { name = "langchain-core" },
@@ -2702,7 +2702,7 @@ wheels = [
 
 [[package]]
 name = "langchain-tests"
-version = "1.0.2"
+version = "1.1.1"
 source = { editable = "../standard-tests" }
 dependencies = [
     { name = "httpx" },
@@ -2747,7 +2747,7 @@ typing = [
 
 [[package]]
 name = "langchain-text-splitters"
-version = "1.0.0"
+version = "1.1.0"
 source = { editable = "../text-splitters" }
 dependencies = [
     { name = "langchain-core" },
diff --git a/libs/langchain_v1/uv.lock b/libs/langchain_v1/uv.lock
index 6895f38f132..f90f6f8910b 100644
--- a/libs/langchain_v1/uv.lock
+++ b/libs/langchain_v1/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.10.0, <4.0.0"
 resolution-markers = [
     "python_full_version >= '3.14' and platform_python_implementation == 'PyPy'",
@@ -2102,7 +2102,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.1"
+version = "1.2.2"
 source = { editable = "../core" }
 dependencies = [
     { name = "jsonpatch" },
@@ -2283,7 +2283,7 @@ wheels = [
 
 [[package]]
 name = "langchain-openai"
-version = "1.1.3"
+version = "1.1.4"
 source = { editable = "../partners/openai" }
 dependencies = [
     { name = "langchain-core" },
@@ -2346,7 +2346,7 @@ wheels = [
 
 [[package]]
 name = "langchain-tests"
-version = "1.1.0"
+version = "1.1.1"
 source = { editable = "../standard-tests" }
 dependencies = [
     { name = "httpx" },
diff --git a/libs/model-profiles/uv.lock b/libs/model-profiles/uv.lock
index af84abbc60f..ec13dbc28e9 100644
--- a/libs/model-profiles/uv.lock
+++ b/libs/model-profiles/uv.lock
@@ -459,7 +459,7 @@ wheels = [
 
 [[package]]
 name = "langchain"
-version = "1.1.0"
+version = "1.2.0"
 source = { editable = "../langchain_v1" }
 dependencies = [
     { name = "langchain-core" },
@@ -497,7 +497,7 @@ requires-dist = [
 provides-extras = ["community", "anthropic", "openai", "azure-ai", "google-vertexai", "google-genai", "fireworks", "ollama", "together", "mistralai", "huggingface", "groq", "aws", "deepseek", "xai", "perplexity"]
 
 [package.metadata.requires-dev]
-lint = [{ name = "ruff", specifier = ">=0.12.2,<0.13.0" }]
+lint = [{ name = "ruff", specifier = ">=0.14.2,<0.15.0" }]
 test = [
     { name = "langchain-openai", editable = "../partners/openai" },
     { name = "langchain-tests", editable = "../standard-tests" },
@@ -512,7 +512,6 @@ test = [
     { name = "toml", specifier = ">=0.10.2,<1.0.0" },
 ]
 test-integration = [
-    { name = "cassio", specifier = ">=0.1.0,<1.0.0" },
     { name = "langchain-core", editable = "../core" },
     { name = "langchain-text-splitters", editable = "../text-splitters" },
     { name = "langchainhub", specifier = ">=0.1.16,<1.0.0" },
@@ -527,7 +526,7 @@ typing = [
 
 [[package]]
 name = "langchain-core"
-version = "1.1.0"
+version = "1.2.2"
 source = { editable = "../core" }
 dependencies = [
     { name = "jsonpatch" },
@@ -537,6 +536,7 @@ dependencies = [
     { name = "pyyaml" },
     { name = "tenacity" },
     { name = "typing-extensions" },
+    { name = "uuid-utils" },
 ]
 
 [package.metadata]
@@ -548,6 +548,7 @@ requires-dist = [
     { name = "pyyaml", specifier = ">=5.3.0,<7.0.0" },
     { name = "tenacity", specifier = ">=8.1.0,!=8.4.0,<10.0.0" },
     { name = "typing-extensions", specifier = ">=4.7.0,<5.0.0" },
+    { name = "uuid-utils", specifier = ">=0.12.0,<1.0" },
 ]
 
 [package.metadata.requires-dev]
@@ -653,7 +654,7 @@ typing = [
 
 [[package]]
 name = "langchain-openai"
-version = "1.1.0"
+version = "1.1.4"
 source = { editable = "../partners/openai" }
 dependencies = [
     { name = "langchain-core" },
@@ -1669,6 +1670,35 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/a7/c2/fe1e52489ae3122415c51f387e221dd0773709bad6c6cdaa599e8a2c5185/urllib3-2.5.0-py3-none-any.whl", hash = "sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc", size = 129795, upload-time = "2025-06-18T14:07:40.39Z" },
 ]
 
+[[package]]
+name = "uuid-utils"
+version = "0.12.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/0b/0e/512fb221e4970c2f75ca9dae412d320b7d9ddc9f2b15e04ea8e44710396c/uuid_utils-0.12.0.tar.gz", hash = "sha256:252bd3d311b5d6b7f5dfce7a5857e27bb4458f222586bb439463231e5a9cbd64", size = 20889, upload-time = "2025-12-01T17:29:55.494Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/8a/43/de5cd49a57b6293b911b6a9a62fc03e55db9f964da7d5882d9edbee1e9d2/uuid_utils-0.12.0-cp39-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl", hash = "sha256:3b9b30707659292f207b98f294b0e081f6d77e1fbc760ba5b41331a39045f514", size = 603197, upload-time = "2025-12-01T17:29:30.104Z" },
+    { url = "https://files.pythonhosted.org/packages/02/fa/5fd1d8c9234e44f0c223910808cde0de43bb69f7df1349e49b1afa7f2baa/uuid_utils-0.12.0-cp39-abi3-macosx_10_12_x86_64.whl", hash = "sha256:add3d820c7ec14ed37317375bea30249699c5d08ff4ae4dbee9fc9bce3bfbf65", size = 305168, upload-time = "2025-12-01T17:29:31.384Z" },
+    { url = "https://files.pythonhosted.org/packages/c8/c6/8633ac9942bf9dc97a897b5154e5dcffa58816ec4dd780b3b12b559ff05c/uuid_utils-0.12.0-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1b8fce83ecb3b16af29c7809669056c4b6e7cc912cab8c6d07361645de12dd79", size = 340580, upload-time = "2025-12-01T17:29:32.362Z" },
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+]
+
 [[package]]
 name = "watchdog"
 version = "6.0.0"
diff --git a/libs/text-splitters/uv.lock b/libs/text-splitters/uv.lock
index e62682babf0..4dcd28eb39d 100644
--- a/libs/text-splitters/uv.lock
+++ b/libs/text-splitters/uv.lock
@@ -1123,7 +1123,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.0"
+version = "1.2.2"
 source = { editable = "../core" }
 dependencies = [
     { name = "jsonpatch" },