diff --git a/NOTICE b/NOTICE
index 27f2c841f..514619b73 100644
--- a/NOTICE
+++ b/NOTICE
@@ -363,7 +363,7 @@ SOFTWARE.
 
 The following Python packages may be included in this product:
 
-- langchain==0.0.331
+- langchain==0.1.5
 
 These packages each contain the following license and notice below:
 
diff --git a/lib/shared/file-import-batch-job/requirements.txt b/lib/shared/file-import-batch-job/requirements.txt
index 610aad8a4..fa606e518 100644
--- a/lib/shared/file-import-batch-job/requirements.txt
+++ b/lib/shared/file-import-batch-job/requirements.txt
@@ -4,7 +4,7 @@ numpy==1.26.0
 cfnresponse==1.1.2
 aws_requests_auth==0.4.3
 requests-aws4auth==1.2.3
-langchain==0.0.331
+langchain==0.1.5
 opensearch-py==2.3.1
 psycopg2-binary==2.9.7
 pgvector==0.2.2
diff --git a/lib/shared/layers/common/requirements.txt b/lib/shared/layers/common/requirements.txt
index 104e2ab9e..8a798c0da 100644
--- a/lib/shared/layers/common/requirements.txt
+++ b/lib/shared/layers/common/requirements.txt
@@ -4,7 +4,7 @@ numpy==1.26.0
 cfnresponse==1.1.2
 aws_requests_auth==0.4.3
 requests-aws4auth==1.2.3
-langchain==0.0.331
+langchain==0.1.5
 opensearch-py==2.3.1
 psycopg2-binary==2.9.7
 pgvector==0.2.2
diff --git a/package.json b/package.json
index 0055277d8..c5da6f7e4 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@types/node": "20.1.7",
     "@typescript-eslint/eslint-plugin": "^6.0.0",
     "@typescript-eslint/parser": "^6.0.0",
-    "aws-cdk": "2.125.0",
+    "aws-cdk": "2.126.0",
     "eslint": "^8.45.0",
     "graphql": "^16.8.1",
     "prettier": "^3.0.3",
@@ -42,7 +42,7 @@
     "@aws-cdk/aws-apigatewayv2-integrations-alpha": "^2.114.1-alpha.0",
     "@aws-cdk/aws-cognito-identitypool-alpha": "^2.114.1-alpha.0",
     "@cdklabs/generative-ai-cdk-constructs": "^0.1.50",
-    "aws-cdk-lib": "2.125.0",
+    "aws-cdk-lib": "2.126.0",
     "cdk-nag": "2.27.170",
     "commander": "^11.0.0",
     "constructs": "^10.0.0",