diff --git a/generative_ai/evaluation/requirements.txt b/generative_ai/evaluation/requirements.txt
index be13d57d368..a982d4f072b 100644
--- a/generative_ai/evaluation/requirements.txt
+++ b/generative_ai/evaluation/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2
diff --git a/generative_ai/extensions/requirements.txt b/generative_ai/extensions/requirements.txt
index be13d57d368..a982d4f072b 100644
--- a/generative_ai/extensions/requirements.txt
+++ b/generative_ai/extensions/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2
diff --git a/generative_ai/image_generation/requirements.txt b/generative_ai/image_generation/requirements.txt
index be13d57d368..a982d4f072b 100644
--- a/generative_ai/image_generation/requirements.txt
+++ b/generative_ai/image_generation/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2
diff --git a/generative_ai/model_garden/requirements.txt b/generative_ai/model_garden/requirements.txt
index be13d57d368..a982d4f072b 100644
--- a/generative_ai/model_garden/requirements.txt
+++ b/generative_ai/model_garden/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2
diff --git a/generative_ai/model_tuning/requirements.txt b/generative_ai/model_tuning/requirements.txt
index be13d57d368..a982d4f072b 100644
--- a/generative_ai/model_tuning/requirements.txt
+++ b/generative_ai/model_tuning/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2
diff --git a/generative_ai/prompts/requirements.txt b/generative_ai/prompts/requirements.txt
index 30b8dfcdd9f..d0bae0f65ab 100644
--- a/generative_ai/prompts/requirements.txt
+++ b/generative_ai/prompts/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.74.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2
diff --git a/generative_ai/reasoning_engine/requirements.txt b/generative_ai/reasoning_engine/requirements.txt
index be13d57d368..a982d4f072b 100644
--- a/generative_ai/reasoning_engine/requirements.txt
+++ b/generative_ai/reasoning_engine/requirements.txt
@@ -7,7 +7,7 @@ google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
 anthropic[vertex]==0.28.0
-langchain-core==0.2.33
+langchain-core==0.3.80
 langchain-google-vertexai==1.0.10
 numpy<3
 openai==1.68.2