diff --git a/go.mod b/go.mod
index a66172eca..7934c47c7 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	charm.land/bubbles/v2 v2.2.1
 	charm.land/bubbletea/v2 v2.1.0
 	charm.land/lipgloss/v2 v2.0.6
-	github.com/basecamp/basecamp-sdk/go v0.29.1
+	github.com/basecamp/basecamp-sdk/go v0.30.0
 	github.com/basecamp/cli v0.2.2-0.20261023171439-c9bce8206df9
 	github.com/basecamp/mcp v0.0.0-20260828100356-2d6f44b51e9d
 	github.com/basecamp/surfguard/go v0.1.0
diff --git a/go.sum b/go.sum
index 7aa92ed2c..5c9c7f7df 100644
--- a/go.sum
+++ b/go.sum
@@ -89,8 +89,8 @@ github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuP
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
 github.com/basecamp/actioncable-go v1.2.0 h1:t0MxlfMTcmaGXZ5ztgKRs7ZiY1MwXtBRwSSSAh1ofVg=
 github.com/basecamp/actioncable-go v1.2.0/go.mod h1:ezaV5z1GXQAsqyejqTs6wCFl2D8Wj+COLQkHc/kwoRs=
-github.com/basecamp/basecamp-sdk/go v0.29.1 h1:zYEtED8WnEKcfRXKujKHqYqbFc3h2DbE9Z+scHuH1J8=
-github.com/basecamp/basecamp-sdk/go v0.29.1/go.mod h1:mUm/MQGMyg1E1cddyxdG7tQHiq0NsYee2zUeAUT5VjU=
+github.com/basecamp/basecamp-sdk/go v0.30.0 h1:aHNCJvYEKni/yRq1YjeyNvilMRgKnBF92QQHkBMpHxU=
+github.com/basecamp/basecamp-sdk/go v0.30.0/go.mod h1:mUm/MQGMyg1E1cddyxdG7tQHiq0NsYee2zUeAUT5VjU=
 github.com/basecamp/cli v0.2.2-0.20261023171439-c9bce8206df9 h1:3NfGs+zx23Tp6cf+97+UewrJHlzZMLzmvEXOmOJyQAk=
 github.com/basecamp/cli v0.2.2-0.20261023171439-c9bce8206df9/go.mod h1:iTBTaWvsPEFIcZfkxQHEfISyJ6sZ7036K6bNx0RY3EE=
 github.com/basecamp/mcp v0.0.0-20260828100356-2d6f44b51e9d h1:zEQVGq1x1nhKMZ2TudFAcSJ32CHT8richI1vQakIKz4=
diff --git a/internal/version/sdk-provenance.json b/internal/version/sdk-provenance.json
index f547ddbf6..ac96f39e7 100644
--- a/internal/version/sdk-provenance.json
+++ b/internal/version/sdk-provenance.json
@@ -1,9 +1,9 @@
 {
   "sdk": {
     "module": "github.com/basecamp/basecamp-sdk/go",
-    "version": "v0.29.1",
-    "revision": "0b66bbc3846d",
-    "updated_at": "2026-10-26T18:18:02Z"
+    "version": "v0.30.0",
+    "revision": "5549ff18aa08",
+    "updated_at": "2026-10-27T19:39:17Z"
   },
   "api": {
     "repo": "basecamp/bc3",
diff --git a/nix/package.nix b/nix/package.nix
index 6ca71a5e7..3da7fb241 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -8,7 +8,7 @@ buildGoModule.override { go = go_1_26; } (finalAttrs: {
   src = lib.cleanSource ./..;
 
   # To update: set to lib.fakeHash, run `nix build`, use the hash from the error.
-  vendorHash = "sha256-kXbdeAuZlHob+KM5z4aEbZHrkD/nreaPyaBKucFu9WI=";
+  vendorHash = "sha256-4MRvwdsjSoeG7C1eJax2Df9uJhQ11cnvGHKQpKtWt74=";
 
   subPackages = [ "cmd/basecamp" ];