diff --git a/package-lock.json b/package-lock.json
index 178644638..9dc8213d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6914,15 +6914,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/astro/node_modules/zod": {
-      "version": "4.3.6",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.6.tgz",
-      "integrity": "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/axobject-query": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-4.1.0.tgz",
@@ -13278,16 +13269,6 @@
         "node": ">=18"
       }
     },
-    "node_modules/mutation-server-protocol/node_modules/zod": {
-      "version": "4.3.6",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.6.tgz",
-      "integrity": "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==",
-      "dev": true,
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/mutation-testing-elements": {
       "version": "3.7.3",
       "resolved": "https://registry.npmjs.org/mutation-testing-elements/-/mutation-testing-elements-3.7.3.tgz",
@@ -17323,9 +17304,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+      "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
@@ -17362,7 +17343,7 @@
         "mdast-util-from-markdown": "^2.0.3",
         "minimatch": "^10.2.5",
         "unist-util-visit": "^5.0.0",
-        "zod": "^3.24.1"
+        "zod": "^4.4.3"
       },
       "bin": {
         "rdpath": "dist/rdpath.js",
@@ -17440,7 +17421,7 @@
         "js-yaml": "^4.1.1",
         "minimatch": "^10.2.5",
         "shell-quote": "^1.8.3",
-        "zod": "^3.25.76",
+        "zod": "^4.4.3",
         "zod-to-json-schema": "^3.25.2"
       },
       "bin": {
@@ -17517,7 +17498,7 @@
         "lilconfig": "^3.1.3",
         "picomatch": "^4.0.4",
         "xstate": "^5.31.0",
-        "zod": "^3.24.1"
+        "zod": "^4.4.3"
       },
       "devDependencies": {
         "@types/jest": "^30.0.0",
@@ -17892,7 +17873,7 @@
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0",
         "@rundown-org/core": "*",
-        "zod": "^3.25.0"
+        "zod": "^4.4.3"
       },
       "bin": {
         "rundown-mcp": "dist/index.js"
@@ -17944,7 +17925,7 @@
         "gray-matter": "^4.0.3",
         "mdast-util-from-markdown": "^2.0.3",
         "unist-util-visit": "^5.0.0",
-        "zod": "^3.24.1"
+        "zod": "^4.4.3"
       },
       "devDependencies": {
         "@types/jest": "^30.0.0",
diff --git a/packages/claude-code-plugin/package.json b/packages/claude-code-plugin/package.json
index 21e03ce03..0d891f673 100644
--- a/packages/claude-code-plugin/package.json
+++ b/packages/claude-code-plugin/package.json
@@ -73,7 +73,7 @@
     "mdast-util-from-markdown": "^2.0.3",
     "minimatch": "^10.2.5",
     "unist-util-visit": "^5.0.0",
-    "zod": "^3.24.1"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/jest": "^30.0.0",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 2b3635d88..e7b00cc87 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -46,7 +46,7 @@
     "js-yaml": "^4.1.1",
     "minimatch": "^10.2.5",
     "shell-quote": "^1.8.3",
-    "zod": "^3.25.76",
+    "zod": "^4.4.3",
     "zod-to-json-schema": "^3.25.2"
   },
   "devDependencies": {
diff --git a/packages/core/package.json b/packages/core/package.json
index dca1f252a..87e63a2de 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -51,7 +51,7 @@
     "lilconfig": "^3.1.3",
     "picomatch": "^4.0.4",
     "xstate": "^5.31.0",
-    "zod": "^3.24.1"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/jest": "^30.0.0",
diff --git a/packages/mcp/package.json b/packages/mcp/package.json
index 214bba7ae..d46956ba4 100644
--- a/packages/mcp/package.json
+++ b/packages/mcp/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.29.0",
     "@rundown-org/core": "*",
-    "zod": "^3.25.0"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/node": "^25.6.0",
diff --git a/packages/parser/package.json b/packages/parser/package.json
index f4d8cc79c..701a9e051 100644
--- a/packages/parser/package.json
+++ b/packages/parser/package.json
@@ -43,7 +43,7 @@
     "gray-matter": "^4.0.3",
     "mdast-util-from-markdown": "^2.0.3",
     "unist-util-visit": "^5.0.0",
-    "zod": "^3.24.1"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/jest": "^30.0.0",