diff --git a/pyproject.toml b/pyproject.toml
index 83a801ea..1de1714d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,8 +14,8 @@ dependencies = [
     "langchain-core>=0.3.56,<1.0.0",
     "langchain-openai==0.3.16",
     "langchain-text-splitters==0.3.8",
-    "langgraph==0.4.1",
-    "openai==1.77.0",
+    "langgraph==0.4.3",
+    "openai==1.78.1",
     "pgvector==0.3.6",
     "psycopg2==2.9.10",
     "pydantic==2.11.4",
diff --git a/requirements.txt b/requirements.txt
index bf90829f..b3b436be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,8 +6,8 @@ langchain_core>=0.3.56,<1.0.0
 langchain_community==0.3.23
 langchain_openai==0.3.16
 langchain_text_splitters==0.3.8
-langgraph==0.4.1
-openai==1.77.0
+langgraph==0.4.3
+openai==1.78.1
 pgvector==0.3.6
 psycopg2==2.9.10
 pydantic==2.11.4