diff --git a/package-lock.json b/package-lock.json
index 8d2814f..d78f64c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,7 @@
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+      "dev": true,
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@@ -15,12 +16,14 @@
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@@ -110,15 +113,11 @@
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@@ -136,10 +135,11 @@
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+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.3.tgz",
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@@ -160,10 +160,21 @@
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+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.1.tgz",
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+      "dev": true,
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@@ -204,7 +215,8 @@
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@@ -249,6 +261,12 @@
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+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
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@@ -352,6 +370,15 @@
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@@ -500,7 +527,8 @@
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@@ -529,6 +557,7 @@
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+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
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       "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII="
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+    "chokidar": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.3.0.tgz",
+      "integrity": "sha512-dGmKLDdT3Gdl7fBUe8XK+gAtGmzy5Fn0XkkWQuYxGIgWVPPse2CxFA5mtrlD0TOHaHjEUqkWNyP1XdHoJES/4A==",
+      "dev": true,
+      "requires": {
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+        "braces": "~3.0.2",
+        "fsevents": "~2.1.1",
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@@ -583,20 +632,20 @@
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+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/circom/-/circom-0.5.3.tgz",
+      "integrity": "sha512-uKmcWE+qvy7+wJ4aXxv2cfNJxhdAV7NiXwCWsiBCzwhzFpA2P+JQQGgUj7C1GIMiJLNmmhx62jWnXW+fQ2PvBw==",
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         "circom_runtime": "0.0.3",
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         "ffjavascript": "0.0.3",
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@@ -608,18 +657,11 @@
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@@ -926,13 +969,23 @@
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@@ -1052,6 +1106,36 @@
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+      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.5.tgz",
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+        "function-bind": "^1.1.1",
+        "has": "^1.0.3",
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+        "is-callable": "^1.1.5",
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+        "object-inspect": "^1.7.0",
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+      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
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@@ -1326,19 +1410,11 @@
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@@ -1346,27 +1422,20 @@
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@@ -1374,7 +1443,8 @@
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@@ -1382,6 +1452,7 @@
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@@ -5233,6 +5583,165 @@
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diff --git a/package.json b/package.json
index 9a6f5ce..5783c9c 100644
--- a/package.json
+++ b/package.json
@@ -26,15 +26,15 @@
   "dependencies": {
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     "blake2b": "^2.1.3",
-    "circom": "0.5.2",
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     "ffjavascript": "0.0.3",
-    "snarkjs": "^0.1.20",
+    "snarkjs": "^0.1.22",
     "typedarray-to-buffer": "^3.1.5",
     "web3": "^1.2.6"
   },
   "devDependencies": {
     "eslint": "^6.8.0",
     "ganache-cli": "^6.9.1",
-    "mocha": "^5.2.0"
+    "mocha": "^7.1.1"
   }
 }