diff --git a/pr_agent/algo/__init__.py b/pr_agent/algo/__init__.py
index 8d805baf..e38bd713 100644
--- a/pr_agent/algo/__init__.py
+++ b/pr_agent/algo/__init__.py
@@ -58,6 +58,7 @@ MAX_TOKENS = {
     'vertex_ai/claude-3-7-sonnet@20250219': 200000,
     'vertex_ai/gemini-1.5-pro': 1048576,
     'vertex_ai/gemini-2.5-pro-preview-03-25': 1048576,
+    'vertex_ai/gemini-2.5-pro-preview-05-06': 1048576,
     'vertex_ai/gemini-1.5-flash': 1048576,
     'vertex_ai/gemini-2.0-flash': 1048576,
     'vertex_ai/gemini-2.5-flash-preview-04-17': 1048576,
@@ -66,6 +67,7 @@ MAX_TOKENS = {
     'gemini/gemini-1.5-flash': 1048576,
     'gemini/gemini-2.0-flash': 1048576,
     'gemini/gemini-2.5-pro-preview-03-25': 1048576,
+    'gemini/gemini-2.5-pro-preview-05-06': 1048576,
     'codechat-bison': 6144,
     'codechat-bison-32k': 32000,
     'anthropic.claude-instant-v1': 100000,
diff --git a/requirements.txt b/requirements.txt
index 86a50c84..95145ec9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ google-cloud-aiplatform==1.38.0
 google-generativeai==0.8.3
 google-cloud-storage==2.10.0
 Jinja2==3.1.2
-litellm==1.66.3
+litellm==1.69.3
 loguru==0.7.2
 msrest==0.7.1
 openai>=1.55.3