diff --git a/extension_service/requirements-test.txt b/extension_service/requirements-test.txt
index cd907436..2753a360 100644
--- a/extension_service/requirements-test.txt
+++ b/extension_service/requirements-test.txt
@@ -1,5 +1,5 @@
 asyncpg-stubs==0.28.0
-black==23.9.1
+black==23.11.0
 httpx==0.24.1
 isort==5.12.0
 mypy==1.5.1
diff --git a/langchain_tools_demo/requirements-test.txt b/langchain_tools_demo/requirements-test.txt
index 3e19ef38..7a930c1d 100644
--- a/langchain_tools_demo/requirements-test.txt
+++ b/langchain_tools_demo/requirements-test.txt
@@ -1,4 +1,4 @@
-black==23.9.1
+black==23.11.0
 pytest==7.4.3
 mypy==1.5.1
 isort==5.12.0