diff --git a/go.mod b/go.mod
index 74676d295e..3615d47928 100644
--- a/go.mod
+++ b/go.mod
@@ -475,7 +475,7 @@ require (
 )
 
 require (
-	github.com/anthropics/anthropic-sdk-go v1.4.0
+	github.com/anthropics/anthropic-sdk-go v1.11.0
 	github.com/brianvoe/gofakeit/v7 v7.5.1
 	github.com/coder/agentapi-sdk-go v0.0.0-20250505131810-560d1d88d225
 	github.com/coder/aisdk-go v0.0.9
diff --git a/go.sum b/go.sum
index 9efb372050..c746dce4f6 100644
--- a/go.sum
+++ b/go.sum
@@ -722,8 +722,8 @@ github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwTo
 github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
-github.com/anthropics/anthropic-sdk-go v1.4.0 h1:fU1jKxYbQdQDiEXCxeW5XZRIOwKevn/PMg8Ay1nnUx0=
-github.com/anthropics/anthropic-sdk-go v1.4.0/go.mod h1:AapDW22irxK2PSumZiQXYUFvsdQgkwIWlpESweWZI/c=
+github.com/anthropics/anthropic-sdk-go v1.11.0 h1:Ic72+3QvCwZA/nHgkVNXkfU7ktEEv9CZUnBech9HuK4=
+github.com/anthropics/anthropic-sdk-go v1.11.0/go.mod h1:WTz31rIUHUHqai2UslPpw5CwXrQP3geYBioRV4WOLvE=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/arrow/go/v10 v10.0.1/go.mod h1:YvhnlEePVnBS4+0z3fhPfUy7W1Ikj0Ih0vcRo/gZ1M0=
 github.com/apache/arrow/go/v11 v11.0.0/go.mod h1:Eg5OsL5H+e299f7u5ssuXsuHQVEGC4xei5aX110hRiI=