diff --git a/generative_ai/embeddings/requirements.txt b/generative_ai/embeddings/requirements.txt
index 13c79e4e255..c42af227cec 100644
--- a/generative_ai/embeddings/requirements.txt
+++ b/generative_ai/embeddings/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.84.0
 sentencepiece==0.2.0
 google-auth==2.29.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 numpy<3
 openai==1.68.2
 immutabledict==4.2.0
diff --git a/generative_ai/evaluation/requirements.txt b/generative_ai/evaluation/requirements.txt
index be13d57d368..0de7943b20e 100644
--- a/generative_ai/evaluation/requirements.txt
+++ b/generative_ai/evaluation/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3
diff --git a/generative_ai/extensions/requirements.txt b/generative_ai/extensions/requirements.txt
index be13d57d368..0de7943b20e 100644
--- a/generative_ai/extensions/requirements.txt
+++ b/generative_ai/extensions/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3
diff --git a/generative_ai/image_generation/requirements.txt b/generative_ai/image_generation/requirements.txt
index be13d57d368..0de7943b20e 100644
--- a/generative_ai/image_generation/requirements.txt
+++ b/generative_ai/image_generation/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3
diff --git a/generative_ai/model_garden/requirements.txt b/generative_ai/model_garden/requirements.txt
index be13d57d368..0de7943b20e 100644
--- a/generative_ai/model_garden/requirements.txt
+++ b/generative_ai/model_garden/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3
diff --git a/generative_ai/model_tuning/requirements.txt b/generative_ai/model_tuning/requirements.txt
index be13d57d368..0de7943b20e 100644
--- a/generative_ai/model_tuning/requirements.txt
+++ b/generative_ai/model_tuning/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3
diff --git a/generative_ai/prompts/requirements.txt b/generative_ai/prompts/requirements.txt
index 30b8dfcdd9f..965e613e743 100644
--- a/generative_ai/prompts/requirements.txt
+++ b/generative_ai/prompts/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.74.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3
diff --git a/generative_ai/reasoning_engine/requirements.txt b/generative_ai/reasoning_engine/requirements.txt
index be13d57d368..0de7943b20e 100644
--- a/generative_ai/reasoning_engine/requirements.txt
+++ b/generative_ai/reasoning_engine/requirements.txt
@@ -6,7 +6,7 @@ pillow==10.4.0; python_version >= '3.8'
 google-cloud-aiplatform[all]==1.69.0
 sentencepiece==0.2.0
 google-auth==2.38.0
-anthropic[vertex]==0.28.0
+anthropic[vertex]==0.51.0
 langchain-core==0.2.33
 langchain-google-vertexai==1.0.10
 numpy<3