diff --git a/listing-12.1/client/package-lock.json b/listing-12.1/client/package-lock.json
index c41f2e7..ea896ea 100644
--- a/listing-12.1/client/package-lock.json
+++ b/listing-12.1/client/package-lock.json
@@ -274,9 +274,9 @@
       "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
     },
     "papaparse": {
-      "version": "4.3.7",
-      "resolved": "https://registry.npmjs.org/papaparse/-/papaparse-4.3.7.tgz",
-      "integrity": "sha1-7R5xgzINHgg53+n3GGGFz8UJe40="
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/papaparse/-/papaparse-5.2.0.tgz",
+      "integrity": "sha512-ylq1wgUSnagU+MKQtNeVqrPhZuMYBvOSL00DHycFTCxownF95gpLAk1HiHdUW77N8yxRq1qHXLdlIPyBSG9NSA=="
     },
     "performance-now": {
       "version": "2.1.0",
diff --git a/listing-12.1/client/package.json b/listing-12.1/client/package.json
index 52f9c9d..9cb9991 100644
--- a/listing-12.1/client/package.json
+++ b/listing-12.1/client/package.json
@@ -10,7 +10,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "papaparse": "4.3.7",
+    "papaparse": "5.2.0",
     "request": "2.85.0",
     "request-promise": "4.2.2"
   }