diff --git a/package-lock.json b/package-lock.json
index 5d79789043717efeed8be4c08d29d0f288d909cf..4ddbbf852838a119ea18bb0308024cf08ed27ab0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "@wdio/globals": "^8.8.2",
         "@wdio/types": "^8.8.0",
         "angular2-hotkeys": "^13.1.0",
-        "chartjs-plugin-zoom": "^2.0.0",
+        "chartjs-plugin-zoom": "^2.0.1",
         "core-js": "^3.23.3",
         "file-saver": "^2.0.5",
         "he": "^1.2.0",
@@ -96,7 +96,8 @@
         "@types/base-64": "^1.0.0",
         "@types/lodash": "^4.14.191",
         "base-64": "^1.0.0",
-        "lodash": "^4.14.191"
+        "lodash": "^4.14.191",
+        "seedrandom": "^3.0.5"
       },
       "devDependencies": {
         "@types/jasmine": "^4.0.3",
@@ -111,6 +112,7 @@
         "eslint-plugin-prefer-arrow": "^1.2.3",
         "jasmine": "^4.2.1",
         "rimraf": "^3.0.2",
+        "ts-node": "^10.9.1",
         "typedoc": "^0.23.7",
         "typescript": "^4.7.4",
         "uglify-js": "^3.17.4"
@@ -9744,8 +9746,9 @@
       "peer": true
     },
     "node_modules/chartjs-plugin-zoom": {
-      "version": "2.0.0",
-      "license": "MIT",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/chartjs-plugin-zoom/-/chartjs-plugin-zoom-2.0.1.tgz",
+      "integrity": "sha512-ogOmLu6e+Q7E1XWOCOz9YwybMslz9qNfGV2a+qjfmqJYpsw5ZMoRHZBUyW+NGhkpQ5PwwPA/+rikHpBZb7PZuA==",
       "dependencies": {
         "hammerjs": "^2.0.8"
       },
@@ -22051,6 +22054,11 @@
       "version": "3.0.1",
       "license": "MIT"
     },
+    "node_modules/seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "node_modules/select": {
       "version": "1.1.2",
       "license": "MIT"
diff --git a/package.json b/package.json
index e8dd2b92e145659fd3677dadb077788aeee2d1a4..951e1d1a9015580842955f489f243d01c4ee2940 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "mkdocs": "bash scripts/prepare_mkdocs.sh; cd build; python3 -m mkdocs build -f mkdocs-fr.yml && python3 -m mkdocs build -f mkdocs-en.yml && cd .. && node scripts/mkdocs-postprocess.js",
     "mkdocs2pdf": "node scripts/extract-nghyd-version.js build/cassiopee_version.tex && python3 scripts/mkdocs2pdf.py && node scripts/mkdocs2pdf-postprocess.js && bash scripts/check-pdf-docs.sh",
     "clean": "rm -rf build dist release src/date_revision.ts src/assets/docs docs/pdf_build",
-    "preprocess": "mkdir -p build; node scripts/preprocessors.js; npm run service-worker-version; bash scripts/fix-chartjs-plugin-zoom-2.0.0.sh",
+    "preprocess": "mkdir -p build; node scripts/preprocessors.js; npm run service-worker-version;",
     "start": "npm run preprocess && npm run mkdocs && npm run ng serve -- --host 127.0.0.1 --poll 5000",
     "build-no-pdf": "npm run preprocess && npm run mkdocs && npm run ng build -- --configuration production",
     "build": "npm run build-href -basehref=/",
@@ -59,7 +59,7 @@
     "@wdio/globals": "^8.8.2",
     "@wdio/types": "^8.8.0",
     "angular2-hotkeys": "^13.1.0",
-    "chartjs-plugin-zoom": "^2.0.0",
+    "chartjs-plugin-zoom": "^2.0.1",
     "core-js": "^3.23.3",
     "file-saver": "^2.0.5",
     "he": "^1.2.0",
diff --git a/scripts/fix-chartjs-plugin-zoom-2.0.0.sh b/scripts/fix-chartjs-plugin-zoom-2.0.0.sh
deleted file mode 100755
index 45824bdb623982bdf5f9ef03fb3a88bad4f178a7..0000000000000000000000000000000000000000
--- a/scripts/fix-chartjs-plugin-zoom-2.0.0.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-# fix compilation error due to chartjs-plugin-zoom 2.0.0
-# cf. https://forgemia.inra.fr/cassiopee/nghyd/-/issues/238#note_76247
-
-sed -i "s/const enum UpdateModeEnum {$/enum UpdateModeEnum {/g" node_modules/chartjs-plugin-zoom/types/index.d.ts