diff --git a/lapis-docs/package-lock.json b/lapis-docs/package-lock.json
index ce3e426eb..6d1615914 100644
--- a/lapis-docs/package-lock.json
+++ b/lapis-docs/package-lock.json
@@ -25,7 +25,7 @@
                 "swagger-ui-react": "^5.20.1",
                 "tailwindcss": "^3.4.17",
                 "yaml": "^2.7.0",
-                "zod": "^3.24.2"
+                "zod": "^4.1.12"
             },
             "devDependencies": {
                 "@astrojs/check": "^0.9.4",
@@ -228,6 +228,15 @@
                 "zod": "^3.23.8"
             }
         },
+        "node_modules/@astrojs/sitemap/node_modules/zod": {
+            "version": "3.25.76",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+            "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+            "license": "MIT",
+            "funding": {
+                "url": "https://github.com/sponsors/colinhacks"
+            }
+        },
         "node_modules/@astrojs/starlight": {
             "version": "0.32.4",
             "resolved": "https://registry.npmjs.org/@astrojs/starlight/-/starlight-0.32.4.tgz",
@@ -4063,6 +4072,33 @@
                 }
             }
         },
+        "node_modules/astro/node_modules/zod": {
+            "version": "3.25.76",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+            "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+            "license": "MIT",
+            "funding": {
+                "url": "https://github.com/sponsors/colinhacks"
+            }
+        },
+        "node_modules/astro/node_modules/zod-to-json-schema": {
+            "version": "3.24.6",
+            "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.6.tgz",
+            "integrity": "sha512-h/z3PKvcTcTetyjl1fkj79MHNEjm+HpD6NXheWjzOekY7kV+lwDYnHw+ivHkijnCSMz1yJaWBD9vu/Fcmk+vEg==",
+            "license": "ISC",
+            "peerDependencies": {
+                "zod": "^3.24.1"
+            }
+        },
+        "node_modules/astro/node_modules/zod-to-ts": {
+            "version": "1.2.0",
+            "resolved": "https://registry.npmjs.org/zod-to-ts/-/zod-to-ts-1.2.0.tgz",
+            "integrity": "sha512-x30XE43V+InwGpvTySRNz9kB7qFU8DlyEy7BsSTCHPH1R0QasMmHWZDCzYm6bVXtj/9NNJAZF3jW8rzFvH5OFA==",
+            "peerDependencies": {
+                "typescript": "^4.9.4 || ^5.0.2",
+                "zod": "^3"
+            }
+        },
         "node_modules/asynckit": {
             "version": "0.4.0",
             "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -11283,32 +11319,14 @@
             "integrity": "sha512-jEA1znR7b4C/NnaycInCU6h/d15ZzCd1jmsruqOKnZP6WXQSMH3W2GL+OXbkruslU4h+Tzuos0HdswzRUk/Vgg=="
         },
         "node_modules/zod": {
-            "version": "3.25.76",
-            "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-            "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+            "version": "4.1.12",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.12.tgz",
+            "integrity": "sha512-JInaHOamG8pt5+Ey8kGmdcAcg3OL9reK8ltczgHTAwNhMys/6ThXHityHxVV2p3fkw/c+MAvBHFVYHFZDmjMCQ==",
             "license": "MIT",
             "funding": {
                 "url": "https://github.com/sponsors/colinhacks"
             }
         },
-        "node_modules/zod-to-json-schema": {
-            "version": "3.24.6",
-            "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.6.tgz",
-            "integrity": "sha512-h/z3PKvcTcTetyjl1fkj79MHNEjm+HpD6NXheWjzOekY7kV+lwDYnHw+ivHkijnCSMz1yJaWBD9vu/Fcmk+vEg==",
-            "license": "ISC",
-            "peerDependencies": {
-                "zod": "^3.24.1"
-            }
-        },
-        "node_modules/zod-to-ts": {
-            "version": "1.2.0",
-            "resolved": "https://registry.npmjs.org/zod-to-ts/-/zod-to-ts-1.2.0.tgz",
-            "integrity": "sha512-x30XE43V+InwGpvTySRNz9kB7qFU8DlyEy7BsSTCHPH1R0QasMmHWZDCzYm6bVXtj/9NNJAZF3jW8rzFvH5OFA==",
-            "peerDependencies": {
-                "typescript": "^4.9.4 || ^5.0.2",
-                "zod": "^3"
-            }
-        },
         "node_modules/zwitch": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/lapis-docs/package.json b/lapis-docs/package.json
index 592811427..20aa95a3f 100644
--- a/lapis-docs/package.json
+++ b/lapis-docs/package.json
@@ -31,7 +31,7 @@
         "swagger-ui-react": "^5.20.1",
         "tailwindcss": "^3.4.17",
         "yaml": "^2.7.0",
-        "zod": "^3.24.2"
+        "zod": "^4.1.12"
     },
     "devDependencies": {
         "@astrojs/check": "^0.9.4",