diff --git a/package-lock.json b/package-lock.json
index 01e7898a8..50f6893f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23584,28 +23584,30 @@
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+      "version": "6.0.4",
+      "resolved": "https://registry.npmjs.org/jsii/-/jsii-6.0.4.tgz",
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       "license": "Apache-2.0",
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-        "@jsii/spec": "^1.113.0",
+        "@jsii/check-node": "1.136.0",
+        "@jsii/spec": "1.136.0",
         "case": "^1.6.3",
         "chalk": "^4",
         "fast-deep-equal": "^3.1.3",
         "log4js": "^6.9.1",
-        "semver": "^7.7.2",
+        "semver": "^7.8.4",
         "semver-intersect": "^1.5.0",
         "sort-json": "^2.0.1",
-        "spdx-license-list": "^6.10.0",
-        "typescript": "~5.9",
+        "spdx-license-list": "^6.11.0",
+        "typescript": "~6.0",
         "yargs": "^17.7.2"
       },
       "bin": {
         "jsii": "bin/jsii"
       },
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-        "node": ">= 18.12.0"
+        "node": ">= 20.16.0"
       }
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@@ -23997,19 +23999,33 @@
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     "node_modules/jsii/node_modules/@jsii/check-node": {
-      "version": "1.113.0",
+      "version": "1.136.0",
+      "resolved": "https://registry.npmjs.org/@jsii/check-node/-/check-node-1.136.0.tgz",
+      "integrity": "sha512-e41fDeII9JTh0JbJw0KKfmza/VCDLVLbd4o4MoTbzpb8qJ1Oy+QvaFcJjP533IlLCD3+K2AiBvASG4zsCb5Iuw==",
       "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
         "chalk": "^4.1.2",
-        "semver": "^7.7.2"
+        "semver": "^7.8.4"
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       }
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+    "node_modules/jsii/node_modules/@jsii/spec": {
+      "version": "1.136.0",
+      "resolved": "https://registry.npmjs.org/@jsii/spec/-/spec-1.136.0.tgz",
+      "integrity": "sha512-N9GF7KWX8RGdCYQU1mTUYvxRh/+G3gn0AYd0o33xD/us+fc5OXQhnEwLIhmQEZpVT9+UGmjVZIsRLqpsT8dGHQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">= 14.17.0"
+      }
+    },
     "node_modules/jsii/node_modules/ansi-styles": {
       "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -24024,6 +24040,8 @@
     },
     "node_modules/jsii/node_modules/chalk": {
       "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -24037,8 +24055,23 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/jsii/node_modules/semver": {
+      "version": "7.8.5",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.5.tgz",
+      "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/jsii/node_modules/supports-color": {
       "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -24048,6 +24081,20 @@
         "node": ">=8"
       }
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+    "node_modules/jsii/node_modules/typescript": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/jsii/node_modules/yargs": {
       "version": "17.7.2",
       "dev": true,
@@ -33779,7 +33826,9 @@
       "license": "CC0-1.0"
     },
     "node_modules/spdx-license-list": {
-      "version": "6.10.0",
+      "version": "6.11.0",
+      "resolved": "https://registry.npmjs.org/spdx-license-list/-/spdx-license-list-6.11.0.tgz",
+      "integrity": "sha512-p5ICd51dSnh7zIMtPgbB9ShBg3HMT77OeI6WVhrFFvxa5KIFYNcqxD4joAE+n1zZ7wlJdEkrOMwC75JUMMmsJA==",
       "dev": true,
       "license": "CC0-1.0",
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@@ -37594,7 +37643,7 @@
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         "eslint": "^9.39.1",
         "jest": "^30.2.0",
-        "jsii": "^5.9.2",
+        "jsii": "^6.0.4",
         "jsii-docgen": "^10.11.4",
         "jsii-pacmak": "1.124.0",
         "mkdirp": "^3.0.1",
@@ -38008,58 +38057,6 @@
         "vitest": "^1.0.0 || ^2.0.0 || ^3.0.0"
       }
     },
-    "packages/contract-case-jest": {
-      "name": "@contract-case/contract-case-jest",
-      "version": "0.30.0",
-      "extraneous": true,
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "@contract-case/case-connector": "0.29.1",
-        "@contract-case/case-core-plugin-http-dsl": "0.29.1",
-        "@contract-case/case-definition-dsl": "0.29.1",
-        "@contract-case/case-entities-internal": "0.29.1",
-        "@contract-case/case-plugin-base": "0.29.1",
-        "@contract-case/case-plugin-dsl-types": "0.29.1",
-        "@contract-case/cli": "0.29.1",
-        "chalk": "^4.1.2",
-        "ts-node": "^10.9.1"
-      },
-      "bin": {
-        "ContractCase": "dist/bin/ContractCase.mjs"
-      },
-      "devDependencies": {
-        "@contract-case/cli": "0.29.1",
-        "@contract-case/eslint-config-case-maintainer": "0.29.1",
-        "@grpc/grpc-js": "^1.13.5",
-        "@grpc/proto-loader": "^0.8.0",
-        "@types/body-parser": "^1.19.2",
-        "@types/express": "^4.17.14",
-        "@types/jest": "^30.0.0",
-        "axios": "^1.15.2",
-        "body-parser": "^2.2.0",
-        "cross-env": "^10.1.0",
-        "eslint": "^9.39.1",
-        "express": "^4.20.0",
-        "jest": "^30.2.0",
-        "prettier": "3.6.2",
-        "pretty-format": "^30.2.0",
-        "protobufjs": "^7.6.3",
-        "rimraf": "^6.1.2",
-        "ts-jest": "^29.4.5",
-        "ts-node": "^10.9.2",
-        "typescript": "5.9.3"
-      },
-      "engines": {
-        "node": ">=14.21.2"
-      },
-      "funding": {
-        "type": "individual",
-        "url": "https://github.com/sponsors/TimothyJones"
-      },
-      "peerDependencies": {
-        "jest": "^29.4.3 | ^30.0.0"
-      }
-    },
     "packages/documentation": {
       "name": "case-documentation",
       "version": "0.30.0",
diff --git a/packages/case-definition-dsl/package.json b/packages/case-definition-dsl/package.json
index 763059d67..ba9e33476 100644
--- a/packages/case-definition-dsl/package.json
+++ b/packages/case-definition-dsl/package.json
@@ -66,7 +66,7 @@
     "@types/jest": "^30.0.0",
     "jest": "^30.2.0",
     "eslint": "^9.39.1",
-    "jsii": "^5.9.2",
+    "jsii": "^6.0.4",
     "jsii-pacmak": "1.124.0",
     "jsii-docgen": "^10.11.4",
     "mkdirp": "^3.0.1",