diff --git a/gemini/sample-apps/genwealth/function-scripts/analyze-prospectus/requirements.txt b/gemini/sample-apps/genwealth/function-scripts/analyze-prospectus/requirements.txt
index 993805fc160..423805820e4 100644
--- a/gemini/sample-apps/genwealth/function-scripts/analyze-prospectus/requirements.txt
+++ b/gemini/sample-apps/genwealth/function-scripts/analyze-prospectus/requirements.txt
@@ -35,7 +35,7 @@ grpcio-status==1.62.2
 idna==3.7
 jsonpatch==1.33
 jsonpointer==2.4
-langchain==0.1.12
+langchain==0.1.16
 langchain-community==0.0.34
 langchain-core==0.1.35
 langchain-google-vertexai==0.1.3
diff --git a/gemini/sample-apps/genwealth/function-scripts/process-pdf/requirements.txt b/gemini/sample-apps/genwealth/function-scripts/process-pdf/requirements.txt
index 4785985fdd9..14af8dcaf5b 100644
--- a/gemini/sample-apps/genwealth/function-scripts/process-pdf/requirements.txt
+++ b/gemini/sample-apps/genwealth/function-scripts/process-pdf/requirements.txt
@@ -35,7 +35,7 @@ grpcio-status==1.62.2
 idna==3.7
 jsonpatch==1.33
 jsonpointer==2.4
-langchain==0.1.12
+langchain==0.1.16
 langchain-community==0.0.34
 langchain-core==0.1.35
 langchain-google-vertexai==0.1.3