diff --git a/frontend/src/pagination.ts b/frontend/src/pagination.ts
index 54c028afd..937ee9f67 100644
--- a/frontend/src/pagination.ts
+++ b/frontend/src/pagination.ts
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import { useState } from "react";
-import { z } from "zod";
+import * as z from "zod";
 
 import { PageInfo } from "./gql/graphql";
 
diff --git a/frontend/src/routes/__root.tsx b/frontend/src/routes/__root.tsx
index 4c4d8e5e3..289a5d487 100644
--- a/frontend/src/routes/__root.tsx
+++ b/frontend/src/routes/__root.tsx
@@ -19,7 +19,7 @@ import {
 } from "@tanstack/react-router";
 import { TanStackRouterDevtools } from "@tanstack/router-devtools";
 import { Client } from "urql";
-import { z } from "zod";
+import * as z from "zod";
 
 import Layout from "../components/Layout";
 import NotFound from "../components/NotFound";
diff --git a/frontend/src/routes/reset-cross-signing.tsx b/frontend/src/routes/reset-cross-signing.tsx
index c17b804f2..cb76d0dfd 100644
--- a/frontend/src/routes/reset-cross-signing.tsx
+++ b/frontend/src/routes/reset-cross-signing.tsx
@@ -18,7 +18,7 @@ import IconKey from "@vector-im/compound-design-tokens/icons/key.svg?react";
 import { Alert, Button, Text } from "@vector-im/compound-web";
 import { useTranslation } from "react-i18next";
 import { useMutation, useQuery } from "urql";
-import { z } from "zod";
+import * as z from "zod";
 
 import BlockList from "../components/BlockList";
 import { ButtonLink } from "../components/ButtonLink";
diff --git a/tools/syn2mas/src/schemas/mas.mts b/tools/syn2mas/src/schemas/mas.mts
index 936460260..34481ced3 100644
--- a/tools/syn2mas/src/schemas/mas.mts
+++ b/tools/syn2mas/src/schemas/mas.mts
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { z } from "zod";
+import * as z from "zod";
 
 const uriDatabaseConfig = z.object({
   uri: z.string(),
diff --git a/tools/syn2mas/src/schemas/synapse.mts b/tools/syn2mas/src/schemas/synapse.mts
index f7efe8501..ef740b550 100644
--- a/tools/syn2mas/src/schemas/synapse.mts
+++ b/tools/syn2mas/src/schemas/synapse.mts
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { z } from "zod";
+import * as z from "zod";
 
 const sqlite3DatabaseConfig = z.object({
   name: z.literal("sqlite3"),