diff --git a/pyccsl.py b/pyccsl.py
index 8371eb5..6db1d22 100644
--- a/pyccsl.py
+++ b/pyccsl.py
@@ -19,7 +19,7 @@
 from datetime import datetime, timedelta
 import argparse
 
-__version__ = "0.9.36"
+__version__ = "0.9.37"
 
 # Pricing data embedded from https://docs.anthropic.com/en/docs/about-claude/pricing
 # All prices in USD per million tokens
@@ -40,6 +40,14 @@
         "cache_read": 1.50,
         "output": 75.00
     },
+    "claude-sonnet-4-5-20250929": {
+        "name": "Claude Sonnet 4.5",
+        "input": 3.00,
+        "cache_write_5m": 3.75,
+        "cache_write_1h": 6.00,
+        "cache_read": 0.30,
+        "output": 15.00
+    },
     "claude-sonnet-4-20250514": {
         "name": "Claude Sonnet 4",
         "input": 3.00,
@@ -1324,4 +1332,4 @@ def main():
     return 0
 
 if __name__ == "__main__":
-    sys.exit(main())
\ No newline at end of file
+    sys.exit(main())
diff --git a/schema.json b/schema.json
index 975a30c..44ba641 100644
--- a/schema.json
+++ b/schema.json
@@ -10,7 +10,8 @@
       "claude-3-haiku-20240307",
       "claude-opus-4-1-20250805",
       "claude-opus-4-20250514",
-      "claude-sonnet-4-20250514"
+      "claude-sonnet-4-20250514",
+      "claude-sonnet-4-5-20250929"
     ],
     "entry.message.role": [
       "assistant",
@@ -362,4 +363,4 @@
     "type": "object"
   },
   "type": "array"
-}
\ No newline at end of file
+}