diff --git a/mcp-client-go/go.mod b/mcp-client-go/go.mod
index 328e3bac..8b59b3ff 100644
--- a/mcp-client-go/go.mod
+++ b/mcp-client-go/go.mod
@@ -3,7 +3,7 @@ module github.com/modelcontextprotocol/quickstart-resources/mcp-client-go
 go 1.25.1
 
 require (
-	github.com/anthropics/anthropic-sdk-go v1.78.0
+	github.com/anthropics/anthropic-sdk-go v1.80.0
 	github.com/google/jsonschema-go v0.4.3
 	github.com/joho/godotenv v1.5.1
 	github.com/modelcontextprotocol/go-sdk v1.8.0
diff --git a/mcp-client-go/go.sum b/mcp-client-go/go.sum
index 9272eeba..610be3ae 100644
--- a/mcp-client-go/go.sum
+++ b/mcp-client-go/go.sum
@@ -1,5 +1,5 @@
-github.com/anthropics/anthropic-sdk-go v1.78.0 h1:8uluL7g84HtSSm347tMGtrUuCEBLmme7vOcFCMn7bnk=
-github.com/anthropics/anthropic-sdk-go v1.78.0/go.mod h1:x+lPk/cCl48uRegeP0hlYYBN1b7bEBTveInIMgLicnY=
+github.com/anthropics/anthropic-sdk-go v1.80.0 h1:w86dgWOME3oW93UKZXFxPMwPhjHn3pNaldMZ8kMgHDc=
+github.com/anthropics/anthropic-sdk-go v1.80.0/go.mod h1:x+lPk/cCl48uRegeP0hlYYBN1b7bEBTveInIMgLicnY=
 github.com/bahlo/generic-list-go v0.2.0 h1:5sz/EEAK+ls5wF+NeqDpk5+iNdMDXrh3z3nPnH1Wvgk=
 github.com/bahlo/generic-list-go v0.2.0/go.mod h1:2KvAjgMlE5NNynlg/5iLrrCCZ2+5xWbdbCW3pNTGyYg=
 github.com/buger/jsonparser v1.1.2 h1:frqHqw7otoVbk5M8LlE/L7HTnIq2v9RX6EJ48i9AxJk=