diff --git a/apps/api/pyproject.toml b/apps/api/pyproject.toml
index 7fb49c8..52db23b 100644
--- a/apps/api/pyproject.toml
+++ b/apps/api/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
   "langchain-deepseek==1.1.0",
   "langfuse==4.14.0",
   "langgraph==1.2.9",
-  "langgraph-checkpoint-postgres==3.1.0",
+  "langgraph-checkpoint-postgres==3.1.1",
   "litellm==1.93.0",
   "orjson==3.11.9",
   "psycopg[binary,pool]==3.3.4",
diff --git a/apps/api/uv.lock b/apps/api/uv.lock
index 2c810cf..169b692 100644
--- a/apps/api/uv.lock
+++ b/apps/api/uv.lock
@@ -3,7 +3,7 @@ revision = 3
 requires-python = "==3.12.*"
 
 [options]
-exclude-newer = "2026-07-24T06:37:14.540488537Z"
+exclude-newer = "0001-01-01T00:00:00Z" # This has no effect and is included for backwards compatibility when using relative exclude-newer values.
 exclude-newer-span = "P7D"
 
 [options.exclude-newer-package]
@@ -734,7 +734,7 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "3.1.0"
+version = "3.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langgraph-checkpoint" },
@@ -742,9 +742,9 @@ dependencies = [
     { name = "psycopg" },
     { name = "psycopg-pool" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/6d/51/5a2dc42e8b5d5942b933b5b7237eae5a4dbc92508a04727c263dd383ad8a/langgraph_checkpoint_postgres-3.1.0.tar.gz", hash = "sha256:02bff4ab63d9dae8eab3a9640fce1d479da8965c9fba7b0dc04cb1f7c56f0a55", size = 148473, upload-time = "2026-05-12T03:40:10.599Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/06/92/1e8959f8cd1b56e672fde3227f6fd642be85af6c5fd662d73921074aa39d/langgraph_checkpoint_postgres-3.1.1.tar.gz", hash = "sha256:d320e147ddad8c374cd546df0b52b532dd54d0541dd9fd23fc738cbd5de76f41", size = 150413, upload-time = "2026-07-30T19:15:39.014Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2f/cd/eff9b82bc3b5f62d481b437099f44f3ef7b1d907f166fb4ee25e8f84a1e7/langgraph_checkpoint_postgres-3.1.0-py3-none-any.whl", hash = "sha256:814cce2ef35d792bf07b090a95eed004f1acac0724fe6605536b13f6d1e7032c", size = 48988, upload-time = "2026-05-12T03:40:08.925Z" },
+    { url = "https://files.pythonhosted.org/packages/03/32/ba457698a48a0e18d786caa770033067049fbe36d6846f8e50f13b594b51/langgraph_checkpoint_postgres-3.1.1-py3-none-any.whl", hash = "sha256:6e353aecd8150de144fef8e51a49076f58b7d6830d4cf51392b7ad4d79832ba7", size = 50778, upload-time = "2026-07-30T19:15:37.405Z" },
 ]
 
 [[package]]
@@ -1857,7 +1857,7 @@ requires-dist = [
     { name = "langchain-deepseek", specifier = "==1.1.0" },
     { name = "langfuse", specifier = "==4.14.0" },
     { name = "langgraph", specifier = "==1.2.9" },
-    { name = "langgraph-checkpoint-postgres", specifier = "==3.1.0" },
+    { name = "langgraph-checkpoint-postgres", specifier = "==3.1.1" },
     { name = "litellm", specifier = "==1.93.0" },
     { name = "orjson", specifier = "==3.11.9" },
     { name = "psycopg", extras = ["binary", "pool"], specifier = "==3.3.4" },