diff --git a/package-lock.json b/package-lock.json
index 5269e0b..be3c1bb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "zod": "^3.23.8"
       },
       "devDependencies": {
-        "@seamapi/types": "1.212.1",
+        "@seamapi/types": "1.221.0",
         "@types/node": "^20.8.10",
         "ava": "^6.0.1",
         "c8": "^10.1.2",
@@ -1052,9 +1052,9 @@
       ]
     },
     "node_modules/@seamapi/types": {
-      "version": "1.212.1",
-      "resolved": "https://registry.npmjs.org/@seamapi/types/-/types-1.212.1.tgz",
-      "integrity": "sha512-3KIbAguWw6PDum8orvKaL3WoXeYzgA3bfqDtHW2sFP5Ew0qBDcHJeJB/mlvza4rKf1kjDcvB9P8PBmU1aD8Whg==",
+      "version": "1.221.0",
+      "resolved": "https://registry.npmjs.org/@seamapi/types/-/types-1.221.0.tgz",
+      "integrity": "sha512-huTSUtPIqRfx3LRRUD8f5DVZe5M86yRhAgoy548HPiTBeGH6DWETgDZUcP1p2dSTd4nVua8pvxZU2GsqxcwpbA==",
       "dev": true,
       "engines": {
         "node": ">=18.12.0",
diff --git a/package.json b/package.json
index 9c53698..541c4fb 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
-    "@seamapi/types": "1.212.1",
+    "@seamapi/types": "1.221.0",
     "@types/node": "^20.8.10",
     "ava": "^6.0.1",
     "c8": "^10.1.2",
diff --git a/test/snapshots/seam-blueprint.test.ts.md b/test/snapshots/seam-blueprint.test.ts.md
index da14fe3..c0ea528 100644
--- a/test/snapshots/seam-blueprint.test.ts.md
+++ b/test/snapshots/seam-blueprint.test.ts.md
@@ -236,7 +236,9 @@ Generated by [AVA](https://avajs.dev).
             {
               codeSamples: [],
               deprecationMessage: '',
-              description: '',
+              description: `Returns a specified [access control system](https://docs.seam.co/latest/capability-guides/access-systems).␊
+              ␊
+              Specify the desired access control system by including the corresponding \`acs_system_id\` in the request body.`,
               isDeprecated: false,
               isUndocumented: false,
               parameters: [],
@@ -248,7 +250,7 @@ Generated by [AVA](https://avajs.dev).
                 parameters: [
                   {
                     deprecationMessage: '',
-                    description: '',
+                    description: 'ID of the desired access control system.',
                     format: 'uuid',
                     isDeprecated: false,
                     isRequired: true,
@@ -262,9 +264,11 @@ Generated by [AVA](https://avajs.dev).
               },
               response: {
                 description: 'OK',
-                responseType: 'void',
+                resourceType: 'acs_system',
+                responseKey: 'acs_system',
+                responseType: 'resource',
               },
-              title: '',
+              title: 'Get an ACS System',
             },
             {
               codeSamples: [],
@@ -308,7 +312,11 @@ Generated by [AVA](https://avajs.dev).
             {
               codeSamples: [],
               deprecationMessage: '',
-              description: '',
+              description: `Returns a list of all credential manager ACS systems that are compatible with a specified ␊
+              [access control system](https://docs.seam.co/latest/capability-guides/access-systems).␊
+              ␊
+              Specify the ACS system for which you want to retrieve all compatible credential manager ACS ␊
+              systems by including the corresponding \`acs_system_id\` in the request body.`,
               isDeprecated: false,
               isUndocumented: false,
               parameters: [],
@@ -320,7 +328,7 @@ Generated by [AVA](https://avajs.dev).
                 parameters: [
                   {
                     deprecationMessage: '',
-                    description: '',
+                    description: 'ID of the ACS system for which you want to retrieve all compatible credential manager ACS systems.',
                     format: 'uuid',
                     isDeprecated: false,
                     isRequired: true,
@@ -334,9 +342,11 @@ Generated by [AVA](https://avajs.dev).
               },
               response: {
                 description: 'OK',
-                responseType: 'void',
+                resourceType: 'acs_system',
+                responseKey: 'acs_systems',
+                responseType: 'resource_list',
               },
-              title: '',
+              title: 'List Compatible Credential Manager ACS Systems',
             },
           ],
           namespace: {
diff --git a/test/snapshots/seam-blueprint.test.ts.snap b/test/snapshots/seam-blueprint.test.ts.snap
index 50c913e..9d4dea6 100644
Binary files a/test/snapshots/seam-blueprint.test.ts.snap and b/test/snapshots/seam-blueprint.test.ts.snap differ