diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index d0d7e38735a..d92b28c01b8 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -69898,7 +69898,7 @@
         "source": "https://api.together.ai/v1/models"
     },
     "together_ai/google/gemma-4-31B-it": {
-        "deprecation_date": "2026-09-14",
+        "deprecation_date": "2026-09-15",
         "input_cost_per_token": 3.9e-07,
         "litellm_provider": "together_ai",
         "max_input_tokens": 262144,
@@ -70040,7 +70040,7 @@
         "source": "https://api.together.ai/v1/models"
     },
     "together_ai/openai/gpt-oss-20b": {
-        "deprecation_date": "2026-09-14",
+        "deprecation_date": "2026-09-15",
         "input_cost_per_token": 5e-08,
         "litellm_provider": "together_ai",
         "max_input_tokens": 131072,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index d0d7e38735a..d92b28c01b8 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -69898,7 +69898,7 @@
         "source": "https://api.together.ai/v1/models"
     },
     "together_ai/google/gemma-4-31B-it": {
-        "deprecation_date": "2026-09-14",
+        "deprecation_date": "2026-09-15",
         "input_cost_per_token": 3.9e-07,
         "litellm_provider": "together_ai",
         "max_input_tokens": 262144,
@@ -70040,7 +70040,7 @@
         "source": "https://api.together.ai/v1/models"
     },
     "together_ai/openai/gpt-oss-20b": {
-        "deprecation_date": "2026-09-14",
+        "deprecation_date": "2026-09-15",
         "input_cost_per_token": 5e-08,
         "litellm_provider": "together_ai",
         "max_input_tokens": 131072,