diff --git a/package-lock.json b/package-lock.json
index 49fde3f..c14c76a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@accordproject/cicero-core": "0.25.1-20250328175253",
-        "@accordproject/concerto-codegen": "3.30.6-20250327205534",
+        "@accordproject/concerto-codegen": "^3.30.6",
         "@accordproject/concerto-core": "^3.20.4",
         "@accordproject/concerto-util": "^3.20.4",
         "@accordproject/markdown-common": "0.16.25",
@@ -19,7 +19,7 @@
         "browser-or-node": "^3.0.0",
         "dayjs": "1.11.13",
         "jsonpath": "^1.1.1",
-        "tar": "^7.4.3",
+        "tar": "^7.5.4",
         "to-words": "^4.4.0",
         "traverse": "^0.6.11",
         "typescript": "^5.8.2"
@@ -87,12 +87,14 @@
       }
     },
     "node_modules/@accordproject/concerto-codegen": {
-      "version": "3.30.6-20250327205534",
+      "version": "3.30.6",
+      "resolved": "https://registry.npmjs.org/@accordproject/concerto-codegen/-/concerto-codegen-3.30.6.tgz",
+      "integrity": "sha512-ZhQRtPmOfx/RJo8sbTSyPdDVxWQF7yoI916IUUJ4ZRrkgZ/gbQkW/dssLGSmvQiHN8HEkoT+qIZw/w6XECH0+w==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@accordproject/concerto-core": "3.20.3",
-        "@accordproject/concerto-util": "3.20.3",
-        "@accordproject/concerto-vocabulary": "3.20.3",
+        "@accordproject/concerto-core": "3.20.4",
+        "@accordproject/concerto-util": "3.20.4",
+        "@accordproject/concerto-vocabulary": "3.20.4",
         "@openapi-contrib/openapi-schema-to-json-schema": "5.1.0",
         "ajv": "8.17.1",
         "ajv-formats": "3.0.1",
@@ -107,95 +109,6 @@
         "npm": ">=6"
       }
     },
-    "node_modules/@accordproject/concerto-codegen/node_modules/@accordproject/concerto-core": {
-      "version": "3.20.3",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@accordproject/concerto-cto": "3.20.3",
-        "@accordproject/concerto-metamodel": "3.11.0",
-        "@accordproject/concerto-util": "3.20.3",
-        "dayjs": "1.11.13",
-        "debug": "4.3.7",
-        "lorem-ipsum": "2.0.8",
-        "randexp": "0.5.3",
-        "semver": "7.6.3",
-        "urijs": "1.19.11",
-        "uuid": "11.0.3"
-      },
-      "engines": {
-        "node": ">=18",
-        "npm": ">=10"
-      }
-    },
-    "node_modules/@accordproject/concerto-codegen/node_modules/@accordproject/concerto-core/node_modules/debug": {
-      "version": "4.3.7",
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/@accordproject/concerto-codegen/node_modules/@accordproject/concerto-cto": {
-      "version": "3.20.3",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@accordproject/concerto-metamodel": "3.11.0",
-        "@accordproject/concerto-util": "3.20.3"
-      },
-      "engines": {
-        "node": ">=18",
-        "npm": ">=10"
-      }
-    },
-    "node_modules/@accordproject/concerto-codegen/node_modules/@accordproject/concerto-util": {
-      "version": "3.20.3",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@supercharge/promise-pool": "1.7.0",
-        "debug": "4.3.7",
-        "slash": "3.0.0"
-      },
-      "engines": {
-        "node": ">=18",
-        "npm": ">=10"
-      }
-    },
-    "node_modules/@accordproject/concerto-codegen/node_modules/@accordproject/concerto-util/node_modules/debug": {
-      "version": "4.3.7",
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/@accordproject/concerto-codegen/node_modules/ms": {
-      "version": "2.1.3",
-      "license": "MIT"
-    },
-    "node_modules/@accordproject/concerto-codegen/node_modules/semver": {
-      "version": "7.6.3",
-      "license": "ISC",
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/@accordproject/concerto-core": {
       "version": "3.20.4",
       "license": "Apache-2.0",
@@ -298,7 +211,9 @@
       "license": "MIT"
     },
     "node_modules/@accordproject/concerto-vocabulary": {
-      "version": "3.20.3",
+      "version": "3.20.4",
+      "resolved": "https://registry.npmjs.org/@accordproject/concerto-vocabulary/-/concerto-vocabulary-3.20.4.tgz",
+      "integrity": "sha512-PmU/j2EhUYdTsmz2fKLM1QhA5LDuSTaCyIAtuaeEiOb+NTUbcKNDLHaPcJPZQMYdW3gtheXFcGAdDRU4WSDytQ==",
       "license": "Apache-2.0",
       "dependencies": {
         "@accordproject/concerto-metamodel": "3.11.0",
@@ -1310,7 +1225,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
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         "@babel/code-frame": "^7.26.2",
@@ -2440,6 +2354,7 @@
     },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "string-width": "^5.1.2",
@@ -2455,6 +2370,7 @@
     },
     "node_modules/@isaacs/cliui/node_modules/ansi-regex": {
       "version": "6.1.0",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=12"
@@ -2465,6 +2381,7 @@
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     "node_modules/@isaacs/cliui/node_modules/ansi-styles": {
       "version": "6.2.1",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=12"
@@ -2475,10 +2392,12 @@
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     "node_modules/@isaacs/cliui/node_modules/emoji-regex": {
       "version": "9.2.2",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/@isaacs/cliui/node_modules/string-width": {
       "version": "5.1.2",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "eastasianwidth": "^0.2.0",
@@ -2494,6 +2413,7 @@
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     "node_modules/@isaacs/cliui/node_modules/strip-ansi": {
       "version": "7.1.0",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ansi-regex": "^6.0.1"
@@ -2507,6 +2427,7 @@
     },
     "node_modules/@isaacs/cliui/node_modules/wrap-ansi": {
       "version": "8.1.0",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ansi-styles": "^6.1.0",
@@ -3093,14 +3014,6 @@
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       "license": "MIT"
     },
-    "node_modules/@pkgjs/parseargs": {
-      "version": "0.11.0",
-      "license": "MIT",
-      "optional": true,
-      "engines": {
-        "node": ">=14"
-      }
-    },
     "node_modules/@rollup/rollup-android-arm-eabi": {
       "version": "4.37.0",
       "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.37.0.tgz",
@@ -3529,7 +3442,6 @@
     "node_modules/@types/node": {
       "version": "22.13.14",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "undici-types": "~6.20.0"
       }
@@ -3607,7 +3519,6 @@
       "version": "8.28.0",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.28.0",
         "@typescript-eslint/types": "8.28.0",
@@ -3822,7 +3733,6 @@
     "node_modules/acorn": {
       "version": "8.14.1",
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -4167,6 +4077,7 @@
     },
     "node_modules/balanced-match": {
       "version": "1.0.2",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/base64-js": {
@@ -4255,7 +4166,6 @@
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       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001688",
         "electron-to-chromium": "^1.5.73",
@@ -4591,6 +4501,7 @@
     },
     "node_modules/cross-spawn": {
       "version": "7.0.6",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "path-key": "^3.1.0",
@@ -4942,6 +4853,7 @@
     },
     "node_modules/eastasianwidth": {
       "version": "0.2.0",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/ecc-jsbn": {
@@ -5155,7 +5067,6 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "esbuild": "bin/esbuild"
       },
@@ -5231,7 +5142,6 @@
       "version": "9.23.0",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -5687,6 +5597,7 @@
     },
     "node_modules/foreground-child": {
       "version": "3.3.1",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "cross-spawn": "^7.0.6",
@@ -5701,6 +5612,7 @@
     },
     "node_modules/foreground-child/node_modules/signal-exit": {
       "version": "4.1.0",
+      "dev": true,
       "license": "ISC",
       "engines": {
         "node": ">=14"
@@ -6759,6 +6671,7 @@
     },
     "node_modules/isexe": {
       "version": "2.0.0",
+      "dev": true,
       "license": "ISC"
     },
     "node_modules/isobject": {
@@ -6844,19 +6757,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/jackspeak": {
-      "version": "3.4.3",
-      "license": "BlueOak-1.0.0",
-      "dependencies": {
-        "@isaacs/cliui": "^8.0.2"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      },
-      "optionalDependencies": {
-        "@pkgjs/parseargs": "^0.11.0"
-      }
-    },
     "node_modules/jake": {
       "version": "10.9.2",
       "dev": true,
@@ -6878,7 +6778,6 @@
       "version": "29.7.0",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@jest/core": "^29.7.0",
         "@jest/types": "^29.6.3",
@@ -8081,76 +7980,29 @@
       }
     },
     "node_modules/minizlib": {
-      "version": "3.0.1",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-3.1.0.tgz",
+      "integrity": "sha512-KZxYo1BUkWD2TVFLr0MQoM8vUUigWD3LlD83a/75BqC+4qE0Hb1Vo5v1FgcfaNXvfXzr+5EhQ6ing/CaBijTlw==",
       "license": "MIT",
       "dependencies": {
-        "minipass": "^7.0.4",
-        "rimraf": "^5.0.5"
+        "minipass": "^7.1.2"
       },
       "engines": {
         "node": ">= 18"
       }
     },
-    "node_modules/minizlib/node_modules/brace-expansion": {
-      "version": "2.0.1",
-      "license": "MIT",
-      "dependencies": {
-        "balanced-match": "^1.0.0"
-      }
-    },
-    "node_modules/minizlib/node_modules/glob": {
-      "version": "10.4.5",
-      "license": "ISC",
-      "dependencies": {
-        "foreground-child": "^3.1.0",
-        "jackspeak": "^3.1.2",
-        "minimatch": "^9.0.4",
-        "minipass": "^7.1.2",
-        "package-json-from-dist": "^1.0.0",
-        "path-scurry": "^1.11.1"
-      },
-      "bin": {
-        "glob": "dist/esm/bin.mjs"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
-    "node_modules/minizlib/node_modules/minimatch": {
-      "version": "9.0.5",
-      "license": "ISC",
-      "dependencies": {
-        "brace-expansion": "^2.0.1"
-      },
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
     "node_modules/minizlib/node_modules/minipass": {
       "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.1.2.tgz",
+      "integrity": "sha512-qOOzS1cBTWYF4BH8fVePDBOO9iptMnGUEZwNc/cMWnTV2nVLZ7VoNWEPHkYczZA0pdoA7dl6e7FL659nX9S2aw==",
       "license": "ISC",
       "engines": {
         "node": ">=16 || 14 >=14.17"
       }
     },
-    "node_modules/minizlib/node_modules/rimraf": {
-      "version": "5.0.10",
-      "license": "ISC",
-      "dependencies": {
-        "glob": "^10.3.7"
-      },
-      "bin": {
-        "rimraf": "dist/esm/bin.mjs"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
     "node_modules/mkdirp": {
       "version": "3.0.1",
+      "dev": true,
       "license": "MIT",
       "bin": {
         "mkdirp": "dist/cjs/src/bin.js"
@@ -8623,6 +8475,7 @@
     },
     "node_modules/package-json-from-dist": {
       "version": "1.0.1",
+      "dev": true,
       "license": "BlueOak-1.0.0"
     },
     "node_modules/pako": {
@@ -8682,6 +8535,7 @@
     },
     "node_modules/path-key": {
       "version": "3.1.1",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=8"
@@ -8692,31 +8546,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/path-scurry": {
-      "version": "1.11.1",
-      "license": "BlueOak-1.0.0",
-      "dependencies": {
-        "lru-cache": "^10.2.0",
-        "minipass": "^5.0.0 || ^6.0.2 || ^7.0.0"
-      },
-      "engines": {
-        "node": ">=16 || 14 >=14.18"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
-    "node_modules/path-scurry/node_modules/lru-cache": {
-      "version": "10.4.3",
-      "license": "ISC"
-    },
-    "node_modules/path-scurry/node_modules/minipass": {
-      "version": "7.1.2",
-      "license": "ISC",
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      }
-    },
     "node_modules/path-type": {
       "version": "3.0.0",
       "dev": true,
@@ -9484,7 +9313,6 @@
       "version": "4.37.0",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@types/estree": "1.0.6"
       },
@@ -9782,6 +9610,7 @@
     },
     "node_modules/shebang-command": {
       "version": "2.0.0",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "shebang-regex": "^3.0.0"
@@ -9792,6 +9621,7 @@
     },
     "node_modules/shebang-regex": {
       "version": "3.0.0",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=8"
@@ -10111,6 +9941,7 @@
     "node_modules/string-width-cjs": {
       "name": "string-width",
       "version": "4.2.3",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "emoji-regex": "^8.0.0",
@@ -10201,6 +10032,7 @@
     "node_modules/strip-ansi-cjs": {
       "name": "strip-ansi",
       "version": "6.0.1",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ansi-regex": "^5.0.1"
@@ -10268,14 +10100,15 @@
       "license": "MIT"
     },
     "node_modules/tar": {
-      "version": "7.4.3",
-      "license": "ISC",
+      "version": "7.5.4",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.4.tgz",
+      "integrity": "sha512-AN04xbWGrSTDmVwlI4/GTlIIwMFk/XEv7uL8aa57zuvRy6s4hdBed+lVq2fAZ89XDa7Us3ANXcE3Tvqvja1kTA==",
+      "license": "BlueOak-1.0.0",
       "dependencies": {
         "@isaacs/fs-minipass": "^4.0.0",
         "chownr": "^3.0.0",
         "minipass": "^7.1.2",
-        "minizlib": "^3.0.1",
-        "mkdirp": "^3.0.1",
+        "minizlib": "^3.1.0",
         "yallist": "^5.0.0"
       },
       "engines": {
@@ -10523,7 +10356,6 @@
       "version": "10.9.2",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@cspotcode/source-map-support": "^0.8.0",
         "@tsconfig/node10": "^1.0.7",
@@ -10710,7 +10542,6 @@
     "node_modules/typescript": {
       "version": "5.8.2",
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -11028,6 +10859,7 @@
     },
     "node_modules/which": {
       "version": "2.0.2",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "isexe": "^2.0.0"
@@ -11185,6 +11017,7 @@
     "node_modules/wrap-ansi-cjs": {
       "name": "wrap-ansi",
       "version": "7.0.0",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ansi-styles": "^4.0.0",
@@ -11328,6 +11161,8 @@
     },
     "node_modules/yaml": {
       "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.6.1.tgz",
+      "integrity": "sha512-7r0XPzioN/Q9kXBro/XPnA6kznR73DHq+GXh5ON7ZozRO6aMjbmiBuKste2wslTFkC5d1dw0GooOCepZXJ2SAg==",
       "license": "ISC",
       "bin": {
         "yaml": "bin.mjs"
diff --git a/package.json b/package.json
index 71bc5de..c932e8c 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@accordproject/cicero-core": "0.25.1-20250328175253",
-    "@accordproject/concerto-codegen": "3.30.6-20250327205534",
+    "@accordproject/concerto-codegen": "3.30.6",
     "@accordproject/concerto-core": "^3.20.4",
     "@accordproject/concerto-util": "^3.20.4",
     "@accordproject/markdown-common": "0.16.25",
@@ -49,7 +49,7 @@
     "browser-or-node": "^3.0.0",
     "dayjs": "1.11.13",
     "jsonpath": "^1.1.1",
-    "tar": "^7.4.3",
+    "tar": "^7.5.4",
     "to-words": "^4.4.0",
     "traverse": "^0.6.11",
     "typescript": "^5.8.2"