diff --git a/go.mod b/go.mod
index 36ec00a8..433ffd11 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/Masterminds/squirrel v1.5.4
 	github.com/Shopify/toxiproxy/v2 v2.12.0
 	github.com/alicebob/miniredis/v2 v2.36.1
-	github.com/anthropics/anthropic-sdk-go v1.26.0
+	github.com/anthropics/anthropic-sdk-go v1.27.1
 	github.com/aws/aws-sdk-go-v2 v1.41.4
 	github.com/aws/aws-sdk-go-v2/config v1.32.11
 	github.com/aws/aws-sdk-go-v2/credentials v1.19.11
diff --git a/go.sum b/go.sum
index 94281969..d54b19b6 100644
--- a/go.sum
+++ b/go.sum
@@ -39,8 +39,8 @@ github.com/alicebob/miniredis/v2 v2.36.1/go.mod h1:TcL7YfarKPGDAthEtl5NBeHZfeUQj
 github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
 github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
-github.com/anthropics/anthropic-sdk-go v1.26.0 h1:oUTzFaUpAevfuELAP1sjL6CQJ9HHAfT7CoSYSac11PY=
-github.com/anthropics/anthropic-sdk-go v1.26.0/go.mod h1:qUKmaW+uuPB64iy1l+4kOSvaLqPXnHTTBKH6RVZ7q5Q=
+github.com/anthropics/anthropic-sdk-go v1.27.1 h1:7DgMZ2Ng3C2mPzJGHA30NXQTZolcF07mHd0tGaLwfzk=
+github.com/anthropics/anthropic-sdk-go v1.27.1/go.mod h1:qUKmaW+uuPB64iy1l+4kOSvaLqPXnHTTBKH6RVZ7q5Q=
 github.com/aws/aws-sdk-go-v2 v1.41.4 h1:10f50G7WyU02T56ox1wWXq+zTX9I1zxG46HYuG1hH/k=
 github.com/aws/aws-sdk-go-v2 v1.41.4/go.mod h1:mwsPRE8ceUUpiTgF7QmQIJ7lgsKUPQOUl3o72QBrE1o=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.7 h1:3kGOqnh1pPeddVa/E37XNTaWJ8W6vrbYV9lJEkCnhuY=