diff --git a/apps/web/package.json b/apps/web/package.json
index 0c8823e..184c0f2 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -18,7 +18,7 @@
     "postgres": "^3.4.5",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
-    "zod": "^3.24.2"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/node": "^22.13.10",
diff --git a/packages/ingest/package.json b/packages/ingest/package.json
index e8d248a..92eee00 100644
--- a/packages/ingest/package.json
+++ b/packages/ingest/package.json
@@ -17,7 +17,7 @@
     "drizzle-orm": "^0.39.3",
     "postgres": "^3.4.5",
     "yaml": "^2.7.0",
-    "zod": "^3.24.2"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@types/node": "^22.13.10",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5d69de4..8a256aa 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -35,8 +35,8 @@ importers:
         specifier: ^19.0.0
         version: 19.2.7(react@19.2.7)
       zod:
-        specifier: ^3.24.2
-        version: 3.25.76
+        specifier: ^4.4.3
+        version: 4.4.3
     devDependencies:
       '@types/node':
         specifier: ^22.13.10
@@ -88,8 +88,8 @@ importers:
         specifier: ^2.7.0
         version: 2.9.0
       zod:
-        specifier: ^3.24.2
-        version: 3.25.76
+        specifier: ^4.4.3
+        version: 4.4.3
     devDependencies:
       '@types/node':
         specifier: ^22.13.10
@@ -1107,8 +1107,8 @@ packages:
     engines: {node: '>= 14.6'}
     hasBin: true
 
-  zod@3.25.76:
-    resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
+  zod@4.4.3:
+    resolution: {integrity: sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==}
 
 snapshots:
 
@@ -1796,4 +1796,4 @@ snapshots:
 
   yaml@2.9.0: {}
 
-  zod@3.25.76: {}
+  zod@4.4.3: {}