diff --git a/.github/workflows/check_diffs.yml b/.github/workflows/check_diffs.yml
index 33d31bad7f3..7a16b425d96 100644
--- a/.github/workflows/check_diffs.yml
+++ b/.github/workflows/check_diffs.yml
@@ -104,7 +104,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
-          - "3.12"
+          - "3.12.3"
     runs-on: ubuntu-latest
     defaults:
       run:
diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index c4975551943..fde21a06e12 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langchain-core"
-version = "0.2.8"
+version = "0.2.9"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"