diff --git a/services/rag-backend/poetry.lock b/services/rag-backend/poetry.lock
index dbf2b290..130d6c43 100644
--- a/services/rag-backend/poetry.lock
+++ b/services/rag-backend/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "aiohappyeyeballs"
@@ -535,11 +535,11 @@ description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 groups = ["main", "dev"]
-markers = "platform_system == \"Windows\" or sys_platform == \"win32\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
 ]
+markers = {main = "platform_system == \"Windows\" or sys_platform == \"win32\"", dev = "sys_platform == \"win32\" or platform_system == \"Windows\""}
 
 [[package]]
 name = "coloredlogs"
@@ -2353,14 +2353,14 @@ xxhash = ">=3.5.0"
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "2.1.0"
+version = "3.0.0"
 description = "Library with base interfaces for LangGraph checkpoint savers."
 optional = false
-python-versions = ">=3.9"
+python-versions = ">=3.10"
 groups = ["main"]
 files = [
-    {file = "langgraph_checkpoint-2.1.0-py3-none-any.whl", hash = "sha256:4cea3e512081da1241396a519cbfe4c5d92836545e2c64e85b6f5c34a1b8bc61"},
-    {file = "langgraph_checkpoint-2.1.0.tar.gz", hash = "sha256:cdaa2f0b49aa130ab185c02d82f02b40299a1fbc9ac59ac20cecce09642a1abe"},
+    {file = "langgraph_checkpoint-3.0.0-py3-none-any.whl", hash = "sha256:560beb83e629784ab689212a3d60834fb3196b4bbe1d6ac18e5cad5d85d46010"},
+    {file = "langgraph_checkpoint-3.0.0.tar.gz", hash = "sha256:f738695ad938878d8f4775d907d9629e9fcd345b1950196effb08f088c52369e"},
 ]
 
 [package.dependencies]