diff --git a/package-lock.json b/package-lock.json
index 9e1268ce06f2562df19427e00b7e6e4f994e5267..83568879fd764796c9823a20cf4064aecda2f88e 100644
--- a/package-lock.json
+++ b/package-lock.json
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           "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
           "dev": true,
+          "optional": true,
           "requires": {
             "pinkie-promise": "^2.0.0"
           }
@@ -10481,6 +10894,7 @@
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
       "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "aws-sign2": "~0.7.0",
         "aws4": "^1.8.0",
@@ -10508,7 +10922,8 @@
           "version": "5.1.2",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
           "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -12184,6 +12599,7 @@
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
       "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
       "dev": true,
+      "optional": true,
       "requires": {
         "psl": "^1.1.24",
         "punycode": "^1.4.1"
@@ -13245,6 +13661,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "dev": true,
+      "optional": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
diff --git a/package.json b/package.json
index 927ac305683dc9449f32c56cbf175e786e215330..c8737ad12a0b36198e40bc71cb712ef4eccd2b34 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "test": "ng test",
     "lint": "ng lint",
     "e2e": "ng e2e",
-    "jalhyd": "rm -rf node_modules/jalhyd; cd ../jalhyd; npm run package; cd ../nghyd; npm install ../jalhyd/jalhyd-1.0.0.tgz;",
+    "jalhyd": "rm node_modules/jalhyd; cd ../jalhyd; npm run build; cd ../nghyd; npm install ../jalhyd;",
     "mathjax": "rsync -az --delete node_modules/mathjax docs-fr/javascripts;",
     "mkdocs": "npm run mathjax; find docs-fr/javascripts/ -name '*.md' -type f -delete; python3 -m mkdocs build",
     "preprocess": "node preprocessors.js; npm run mkdocs;",
@@ -35,7 +35,7 @@
     "file-saver": "^2.0.0",
     "font-awesome": "^4.7.0",
     "he": "^1.2.0",
-    "jalhyd": "file:../jalhyd/jalhyd-1.0.0.tgz",
+    "jalhyd": "file:../jalhyd",
     "mathjax": "^2.7.5",
     "ngx-md": "^7.0.0",
     "rxjs": "^6.3.3",