diff --git a/.lintstagedrc b/.lintstagedrc
index 365b0b26..b794d936 100644
--- a/.lintstagedrc
+++ b/.lintstagedrc
@@ -1,4 +1,5 @@
 {
     "src/4.0/types.ts": ["npm run generate-v4-json-schemas", "git add src/4.0/jsonSchemas/__generated__"],
+    "src/4.0/fixtures.ts": ["npm run generate-v4-fixtures", "git add test/fixtures/v4/__generated__"],
     "*.{js,ts}": "eslint --fix"
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index 64b16469..7766d925 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "generate-v4-fixtures": "npx ts-node scripts/generateV4JsonFixtures.ts",
     "generate-v4-json-schemas": "npx ts-node scripts/generateV4JsonSchemas.ts",
     "publish:schema": "./scripts/publishSchema.sh",
-    "postinstall": "node scripts/postInstall; npm run generate-v4-fixtures",
+    "postinstall": "node scripts/postInstall;",
     "prebuild": "node scripts/preBuild",
     "prepare": "husky install"
   },