diff --git a/package-lock.json b/package-lock.json
index 088a109..5aacffe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -143,9 +143,19 @@
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@@ -1103,6 +1113,15 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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@@ -1153,7 +1172,7 @@
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@@ -1238,7 +1257,7 @@
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+      "integrity": "sha512-utCYNzRSQIZNPIcGZdQc92UVJYAhtGAteCFg0yRaFm8f0P+CPtyGyHXJcGXnffjCybUCEx3FQ2G7U3/o9eIkVQ=="
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+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
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@@ -1385,14 +1411,14 @@
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+      "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-3.3.2.tgz",
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-        "mime": "1.6.0",
-        "minimist": "1.2.0",
-        "url-join": "2.0.5"
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+        "mime": "^1.6.0",
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@@ -1579,7 +1602,8 @@
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@@ -1600,12 +1624,14 @@
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@@ -1620,17 +1646,20 @@
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@@ -1747,7 +1776,8 @@
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@@ -1759,6 +1789,7 @@
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@@ -1773,6 +1804,7 @@
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@@ -1780,12 +1812,14 @@
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@@ -1804,6 +1838,7 @@
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@@ -1884,7 +1919,8 @@
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@@ -1896,6 +1932,7 @@
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@@ -1981,7 +2018,8 @@
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@@ -2017,6 +2055,7 @@
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@@ -2036,6 +2075,7 @@
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@@ -2079,20 +2119,21 @@
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+          "dev": true,
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           "version": "3.0.2",
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-      "dev": true
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.3.tgz",
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+        "has": "^1.0.3",
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@@ -2164,6 +2215,11 @@
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-      "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0="
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-        "follow-redirects": "1.5.2",
-        "requires-port": "1.0.0"
+        "eventemitter3": "^4.0.0",
+        "follow-redirects": "^1.0.0",
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+      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.2.tgz",
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-        "opener": "1.4.3",
-        "optimist": "0.6.1",
-        "portfinder": "1.0.16",
-        "union": "0.4.6"
+        "corser": "~2.0.0",
+        "ecstatic": "^3.0.0",
+        "http-proxy": "^1.8.1",
+        "opener": "~1.4.0",
+        "optimist": "0.6.x",
+        "portfinder": "^1.0.13",
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@@ -2466,6 +2524,7 @@
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@@ -2527,10 +2586,12 @@
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+      "version": "git+https://github.com/QwantResearch/masq-common.git#13ba51b10ba93d9400c5d60c32a17f3da554b0a0",
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-      "version": "git+https://github.com/QwantResearch/masq-crypto.git#85f090752b829f21b6f2b09b2d5c9a8265ba2203"
+      "version": "git+https://github.com/QwantResearch/masq-crypto.git#85f090752b829f21b6f2b09b2d5c9a8265ba2203",
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@@ -2623,7 +2685,8 @@
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-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
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@@ -2653,7 +2716,8 @@
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-      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
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@@ -2683,6 +2748,11 @@
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+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.2.tgz",
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@@ -2706,21 +2776,21 @@
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-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
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       "requires": {
-        "minimist": "0.0.10",
-        "wordwrap": "0.0.3"
+        "minimist": "~0.0.1",
+        "wordwrap": "~0.0.2"
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           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
+          "integrity": "sha512-iotkTvxc+TwOm5Ieim8VnSNvCDjCK9S8G3scJ50ZthspSxa7jx50jkhYduuAtAjvfDUwSgOwf8+If99AlOEhyw=="
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@@ -2832,21 +2902,26 @@
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-      "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.16.tgz",
-      "integrity": "sha512-icBXCFQxzlK2PMepOM0QeEdPPFSLAaXXeuKOv5AClJlMy1oVCBrkDGJ12IZYesI/BF8mpeVco3vRCmgeBb4+hw==",
+      "version": "1.0.32",
+      "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.32.tgz",
+      "integrity": "sha512-on2ZJVVDXRADWE6jnQaX0ioEylzgBpQk8r55NE4wjXW1ZxO+BgDlY6DXwj20i0V8eB4SenDQ00WEaxfiIQPcxg==",
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-        "async": "1.5.2",
-        "debug": "2.6.9",
-        "mkdirp": "0.5.1"
+        "async": "^2.6.4",
+        "debug": "^3.2.7",
+        "mkdirp": "^0.5.6"
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-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+        "minimist": {
+          "version": "1.2.7",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.7.tgz",
+          "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g=="
+        },
+        "mkdirp": {
+          "version": "0.5.6",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+          "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
           "requires": {
-            "ms": "2.0.0"
+            "minimist": "^1.2.6"
           }
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@@ -2901,9 +2976,12 @@
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-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
-      "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ="
+      "version": "6.11.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+      "requires": {
+        "side-channel": "^1.0.4"
+      }
     },
     "querystring": {
       "version": "0.2.0",
@@ -3072,13 +3150,15 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
       "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeat-element": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.3.tgz",
       "integrity": "sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeat-string": {
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@@ -3099,7 +3179,7 @@
     "requires-port": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
-      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
+      "integrity": "sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ=="
     },
     "resolve": {
       "version": "1.8.1",
@@ -3176,6 +3256,16 @@
         "jsonify": "0.0.0"
       }
     },
+    "side-channel": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
+      "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
+      "requires": {
+        "call-bind": "^1.0.0",
+        "get-intrinsic": "^1.0.2",
+        "object-inspect": "^1.9.0"
+      }
+    },
     "simple-concat": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
@@ -3362,11 +3452,11 @@
       }
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     "union": {
-      "version": "0.4.6",
-      "resolved": "https://registry.npmjs.org/union/-/union-0.4.6.tgz",
-      "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
       "requires": {
-        "qs": "2.3.3"
+        "qs": "^6.4.0"
       }
     },
     "url": {
@@ -3390,7 +3480,7 @@
     "url-join": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg="
+      "integrity": "sha512-c2H1fIgpUdwFRIru9HFno5DT73Ok8hg5oOb5AT3ayIgvCRfxgs2jyt5Slw8kEB7j3QUr6yJmMPDT/odjk7jXow=="
     },
     "user-home": {
       "version": "1.1.1",
@@ -3431,7 +3521,7 @@
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+      "integrity": "sha512-1tMA907+V4QmxV7dbRvb4/8MaRALK6q9Abid3ndMYnbyo8piisCmeONVqVSXqQA3KaP4SLt5b7ud6E2sqP8TFw=="
     },
     "wrappy": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
index 8debb21..430f10e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "masq-common": "git+https://github.com/QwantResearch/masq-common.git",
     "masq-crypto": "git+https://github.com/QwantResearch/masq-crypto.git",
     "fs": "0.0.1-security",
-    "http-server": "^0.11.1",
+    "http-server": "^0.11.2",
     "localforage": "^1.7.2"
   },
   "devDependencies": {