diff --git a/package-lock.json b/package-lock.json
index c05577b..2881c9a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -601,10 +601,9 @@
       }
     },
     "circom": {
-      "version": "0.0.34",
-      "resolved": "https://registry.npmjs.org/circom/-/circom-0.0.34.tgz",
-      "integrity": "sha512-R7yNW8PtX2xREtLYWZ/o5cfKHT/qa+CveXsGVAX1ej7mPrTat9mlEMXEy2vX//IuP9/cnYTY/KxJ2SN05PUeGA==",
-      "dev": true,
+      "version": "0.0.35",
+      "resolved": "https://registry.npmjs.org/circom/-/circom-0.0.35.tgz",
+      "integrity": "sha512-MWsJPYPH+s9wN2I5abEHUIAyFVsgTCy+UzJh///WnflXfh3c1tlbv8zt1VV+YHHREpyS+WF5ZBr7TujpaVFu5g==",
       "requires": {
         "big-integer": "^1.6.32",
         "optimist": "^0.6.1",
@@ -3863,7 +3862,6 @@
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
       "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
       "requires": {
         "minimist": "~0.0.1",
         "wordwrap": "~0.0.2"
@@ -3872,8 +3870,7 @@
         "wordwrap": {
           "version": "0.0.3",
           "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-          "dev": true
+          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
         }
       }
     },
diff --git a/package.json b/package.json
index 992fed2..9aa5f55 100644
--- a/package.json
+++ b/package.json
@@ -26,12 +26,12 @@
   "dependencies": {
     "blake-hash": "^1.1.0",
     "blake2b": "^2.1.3",
+    "circom": "0.0.35",
     "snarkjs": "^0.1.20",
     "typedarray-to-buffer": "^3.1.5",
     "web3": "^1.0.0-beta.55"
   },
   "devDependencies": {
-    "circom": "0.0.35",
     "eslint-plugin-mocha": "^5.2.0",
     "ganache-cli": "^6.4.4",
     "mocha": "^5.2.0"
diff --git a/test/sha256.js b/test/sha256.js
index d38ba7e..5214687 100644
--- a/test/sha256.js
+++ b/test/sha256.js
@@ -116,10 +116,10 @@ describe("SHA256 test", () => {
         const testStr = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
 
         const b = Buffer.from(testStr, 'utf8');
-        for (let i=0; i<64; i++) {
+/*        for (let i=0; i<64; i++) {
             b[i] = i+1;
         }
-
+*/
         const hash = crypto.createHash("sha256")
             .update(b)
             .digest("hex");