diff --git a/src/common/fs/write-json-file.injectable.ts b/src/common/fs/write-json-file.injectable.ts
index a7079d7f84..5491487849 100644
--- a/src/common/fs/write-json-file.injectable.ts
+++ b/src/common/fs/write-json-file.injectable.ts
@@ -3,11 +3,10 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectable } from "@ogre-tools/injectable";
-import type { JsonValue } from "type-fest";
 import getDirnameOfPathInjectable from "../path/get-dirname.injectable";
 import fsInjectable from "./fs.injectable";
 
-export type WriteJson = (filePath: string, contents: JsonValue) => Promise<void>;
+export type WriteJson = (filePath: string, contents: unknown) => Promise<void>;
 
 const writeJsonFileInjectable = getInjectable({
   id: "write-json-file",
diff --git a/src/common/fs/write-json-sync.injectable.ts b/src/common/fs/write-json-sync.injectable.ts
index 25c1933bb5..eb4abc3936 100644
--- a/src/common/fs/write-json-sync.injectable.ts
+++ b/src/common/fs/write-json-sync.injectable.ts
@@ -3,11 +3,29 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectable } from "@ogre-tools/injectable";
+import getDirnameOfPathInjectable from "../path/get-dirname.injectable";
 import fsInjectable from "./fs.injectable";
 
+export type WriteJsonSync = (filePath: string, contents: unknown) => void;
+
 const writeJsonSyncInjectable = getInjectable({
   id: "write-json-sync",
-  instantiate: (di) => di.inject(fsInjectable).writeJsonSync,
+  instantiate: (di): WriteJsonSync => {
+    const {
+      writeJsonSync,
+      ensureDirSync,
+    } = di.inject(fsInjectable);
+    const getDirnameOfPath = di.inject(getDirnameOfPathInjectable);
+
+    return (filePath, content) => {
+      ensureDirSync(getDirnameOfPath(filePath), { mode: 0o755 });
+
+      writeJsonSync(filePath, content, {
+        encoding: "utf-8",
+        spaces: 2,
+      });
+    };
+  },
 });
 
 export default writeJsonSyncInjectable;