diff --git a/package-lock.json b/package-lock.json
index 9ab9117e4..3f9406d4c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,6 +27,7 @@
         "@types/prompt-sync": "^4.1.0",
         "@types/wikidata-sdk": "^6.1.0",
         "@types/xml2js": "^0.4.9",
+        "chart.js": "^3.8.0",
         "country-language": "^0.1.7",
         "csv-parse": "^5.1.0",
         "doctest-ts-improved": "^0.8.8",
@@ -4525,6 +4526,11 @@
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       "dev": true
     },
+    "node_modules/chart.js": {
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-3.8.0.tgz",
+      "integrity": "sha512-cr8xhrXjLIXVLOBZPkBZVF6NDeiVIrPLHcMhnON7UufudL+CNeRrD+wpYanswlm8NpudMdrt3CHoLMQMxJhHRg=="
+    },
     "node_modules/check-error": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
@@ -20309,6 +20315,11 @@
       "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
       "dev": true
     },
+    "chart.js": {
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-3.8.0.tgz",
+      "integrity": "sha512-cr8xhrXjLIXVLOBZPkBZVF6NDeiVIrPLHcMhnON7UufudL+CNeRrD+wpYanswlm8NpudMdrt3CHoLMQMxJhHRg=="
+    },
     "check-error": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
diff --git a/package.json b/package.json
index 094487785..3df2d4ed9 100644
--- a/package.json
+++ b/package.json
@@ -86,6 +86,7 @@
     "@types/prompt-sync": "^4.1.0",
     "@types/wikidata-sdk": "^6.1.0",
     "@types/xml2js": "^0.4.9",
+    "chart.js": "^3.8.0",
     "country-language": "^0.1.7",
     "csv-parse": "^5.1.0",
     "doctest-ts-improved": "^0.8.8",