diff --git a/pr_agent/algo/__init__.py b/pr_agent/algo/__init__.py
index d32ad2a7..37c6320a 100644
--- a/pr_agent/algo/__init__.py
+++ b/pr_agent/algo/__init__.py
@@ -63,6 +63,7 @@ MAX_TOKENS = {
     'vertex_ai/claude-3-5-sonnet-v2@20241022': 100000,
     'vertex_ai/claude-3-7-sonnet@20250219': 200000,
     'vertex_ai/claude-sonnet-4@20250514': 200000,
+    'vertex_ai/claude-sonnet-4-5@20250929': 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,
@@ -95,6 +96,7 @@ MAX_TOKENS = {
     'anthropic/claude-3-5-sonnet-20241022': 100000,
     'anthropic/claude-3-7-sonnet-20250219': 200000,
     'anthropic/claude-sonnet-4-20250514': 200000,
+    'anthropic/claude-sonnet-4-5-20250929': 200000,
     'claude-3-7-sonnet-20250219': 200000,
     'anthropic/claude-3-5-haiku-20241022': 100000,
     'bedrock/anthropic.claude-instant-v1': 100000,
@@ -108,13 +110,17 @@ MAX_TOKENS = {
     'bedrock/anthropic.claude-3-5-sonnet-20241022-v2:0': 100000,
     'bedrock/anthropic.claude-3-7-sonnet-20250219-v1:0': 200000,
     'bedrock/anthropic.claude-sonnet-4-20250514-v1:0': 200000,
+    'bedrock/anthropic.claude-sonnet-4-5-20250929-v1:0': 200000,
     "bedrock/us.anthropic.claude-opus-4-20250514-v1:0": 200000,
     "bedrock/us.anthropic.claude-3-5-sonnet-20241022-v2:0": 100000,
     "bedrock/us.anthropic.claude-3-7-sonnet-20250219-v1:0": 200000,
     "bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0": 200000,
+    "bedrock/us.anthropic.claude-sonnet-4-5-20250929-v1:0": 200000,
     "bedrock/apac.anthropic.claude-3-5-sonnet-20241022-v2:0": 100000,
     "bedrock/apac.anthropic.claude-3-7-sonnet-20250219-v1:0": 200000,
     "bedrock/apac.anthropic.claude-sonnet-4-20250514-v1:0": 200000,
+    "bedrock/jp.anthropic.claude-sonnet-4-5-20250929-v1:0": 200000,
+    "bedrock/global.anthropic.claude-sonnet-4-5-20250929-v1:0": 200000,
     'claude-3-5-sonnet': 100000,
     'bedrock/us.meta.llama4-scout-17b-instruct-v1:0': 128000,
     'bedrock/us.meta.llama4-maverick-17b-instruct-v1:0': 128000,
diff --git a/pr_agent/git_providers/git_provider.py b/pr_agent/git_providers/git_provider.py
index dfb5b224..7288f186 100644
--- a/pr_agent/git_providers/git_provider.py
+++ b/pr_agent/git_providers/git_provider.py
@@ -376,7 +376,6 @@ def get_main_pr_language(languages, files) -> str:
                         break
         except Exception as e:
             get_logger().exception(f"Failed to get main language: {e}")
-            pass
 
         ## old approach:
         # most_common_extension = max(set(extension_list), key=extension_list.count)
@@ -401,7 +400,6 @@ def get_main_pr_language(languages, files) -> str:
 
     except Exception as e:
         get_logger().exception(e)
-        pass
 
     return main_language_str
 
diff --git a/requirements.txt b/requirements.txt
index 3338d637..d303ea34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 aiohttp==3.12.15
-anthropic>=0.52.0
+anthropic>=0.69.0
 #anthropic[vertex]==0.47.1
 atlassian-python-api==3.41.4
 azure-devops==7.1.0b3
@@ -13,7 +13,7 @@ google-cloud-aiplatform==1.38.0
 google-generativeai==0.8.3
 google-cloud-storage==2.10.0
 Jinja2==3.1.6
-litellm==1.73.6
+litellm==1.77.7
 loguru==0.7.2
 msrest==0.7.1
 openai>=1.55.3