diff --git a/package.json b/package.json
index 0567b0c..f8911bc 100644
--- a/package.json
+++ b/package.json
@@ -45,11 +45,11 @@
     "esm": "^3.2.25",
     "jest": "^26.6.3",
     "jest-matcher-deep-close-to": "^2.0.1",
+    "prettier": "^2.2.1",
     "rollup": "^2.40.0"
   },
   "dependencies": {
     "jcampconverter": "^7.7.0",
-    "nmr-processing": "^0.11.1",
-    "prettier": "^2.2.1"
+    "nmr-processing": "^0.11.1"
   }
 }