diff --git a/test/integration/sniff-bytes/package.json b/test/integration/sniff-bytes/package.json
index a81d35a3..a90a8ad6 100644
--- a/test/integration/sniff-bytes/package.json
+++ b/test/integration/sniff-bytes/package.json
@@ -45,8 +45,7 @@
   "devDependencies": {
     "@neon-rs/cli": "*",
     "@tsconfig/node16": "^16.1.0",
-    "typescript": "^5.2.2",
-    "@babel/plugin-syntax-typescript": "^7.22.5"
+    "typescript": "^5.2.2"
   },
   "dependencies": {
     "@neon-rs/load": "*"
diff --git a/test/integration/test-sniff-bytes/package.json b/test/integration/test-sniff-bytes/package.json
index c1efd11b..97316805 100644
--- a/test/integration/test-sniff-bytes/package.json
+++ b/test/integration/test-sniff-bytes/package.json
@@ -15,7 +15,8 @@
     "@jest/globals": "^29.6.4",
     "@tsconfig/node16": "^16.1.1",
     "jest": "^29.6.4",
-    "typescript": "^5.2.2"
+    "typescript": "^5.2.2",
+    "@babel/plugin-syntax-typescript": "^7.22.5"
   },
   "dependencies": {
     "sniff-bytes": "^1.0.0"