diff --git a/libs/checkpoint-postgres/langgraph/store/postgres/base.py b/libs/checkpoint-postgres/langgraph/store/postgres/base.py
index bf17c20cd..73d826d77 100644
--- a/libs/checkpoint-postgres/langgraph/store/postgres/base.py
+++ b/libs/checkpoint-postgres/langgraph/store/postgres/base.py
@@ -557,7 +557,7 @@ class BasePostgresStore(Generic[C]):
     ) -> list[tuple[str, Sequence]]:
         queries: list[tuple[str, Sequence]] = []
         for _, op in list_ops:
-            query = """
+            query = r"""
                 SELECT DISTINCT ON (truncated_prefix) truncated_prefix, prefix
                 FROM (
                     SELECT
diff --git a/libs/checkpoint-postgres/pyproject.toml b/libs/checkpoint-postgres/pyproject.toml
index 15e7b9aed..d512c4932 100644
--- a/libs/checkpoint-postgres/pyproject.toml
+++ b/libs/checkpoint-postgres/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 description = "Library with a Postgres implementation of LangGraph checkpoint saver."
 authors = []
 requires-python = ">=3.9"
diff --git a/libs/checkpoint-postgres/uv.lock b/libs/checkpoint-postgres/uv.lock
index ff12c6faa..d34d05eb2 100644
--- a/libs/checkpoint-postgres/uv.lock
+++ b/libs/checkpoint-postgres/uv.lock
@@ -334,7 +334,7 @@ dev = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 source = { editable = "." }
 dependencies = [
     { name = "langgraph-checkpoint" },
diff --git a/libs/langgraph/uv.lock b/libs/langgraph/uv.lock
index 4101e10e7..9fcc5350f 100644
--- a/libs/langgraph/uv.lock
+++ b/libs/langgraph/uv.lock
@@ -1331,7 +1331,7 @@ dev = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 source = { editable = "../checkpoint-postgres" }
 dependencies = [
     { name = "langgraph-checkpoint" },
diff --git a/libs/prebuilt/uv.lock b/libs/prebuilt/uv.lock
index a81d27a3c..c7fc94f57 100644
--- a/libs/prebuilt/uv.lock
+++ b/libs/prebuilt/uv.lock
@@ -397,7 +397,7 @@ dev = [
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "2.0.21"
+version = "2.0.22"
 source = { editable = "../checkpoint-postgres" }
 dependencies = [
     { name = "langgraph-checkpoint" },