diff --git a/package-lock.json b/package-lock.json
index 5303d48..171bac0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "xml-encryption",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -353,9 +353,9 @@
       "dev": true
     },
     "fsevents": {
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-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.2.tgz",
-      "integrity": "sha512-R4wDiBwZ0KzpgOWetKDug1FZcYhqYnUYKtfZYt4mD5SBz76q0KR4Q9o7GIPamsVPGmW3EYPPJ0dOOjvx32ldZA==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.1.3.tgz",
+      "integrity": "sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==",
       "dev": true,
       "optional": true
     },
@@ -590,18 +590,18 @@
       "dev": true
     },
     "mkdirp": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.3.tgz",
-      "integrity": "sha512-P+2gwrFqx8lhew375MQHHeTlY8AuOJSrGf0R5ddkEndUkmwpgUob/vQuBD1V22/Cw1/lJr4x+EjllSezBThzBg==",
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
       "dev": true,
       "requires": {
         "minimist": "^1.2.5"
       }
     },
     "mocha": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-7.1.1.tgz",
-      "integrity": "sha512-3qQsu3ijNS3GkWcccT5Zw0hf/rWvu1fTN9sPvEd81hlwsr30GX2GcDSSoBxo24IR8FelmrAydGC6/1J5QQP4WA==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-7.1.2.tgz",
+      "integrity": "sha512-o96kdRKMKI3E8U0bjnfqW4QMk12MwZ4mhdBTf+B5a1q9+aq2HRnj+3ZdJu0B/ZhJeK78MgYuv6L8d/rA5AeBJA==",
       "dev": true,
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@@ -617,7 +617,7 @@
         "js-yaml": "3.13.1",
         "log-symbols": "3.0.0",
         "minimatch": "3.0.4",
-        "mkdirp": "0.5.3",
+        "mkdirp": "0.5.5",
         "ms": "2.1.1",
         "node-environment-flags": "1.0.6",
         "object.assign": "4.1.0",
@@ -737,9 +737,9 @@
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-      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.2.tgz",
-      "integrity": "sha512-WGR+xHecKTr7EbUEhyLSh5Dube9JtdiG78ufaeLxTgpudf/20KqyMioIUZJAezlTIi6evxuoUs9YXc11cU+yzQ==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+      "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
       "dev": true,
       "requires": {
         "p-try": "^2.0.0"
@@ -905,24 +905,46 @@
         "strip-ansi": "^4.0.0"
       }
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+    "string.prototype.trimend": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.1.tgz",
+      "integrity": "sha512-LRPxFUaTtpqYsTeNKaFOw3R4bxIzWOnbQ837QfBylo8jIxtcbK/A/sMV7Q+OAV/vWo+7s25pOE10KYSjaSO06g==",
+      "dev": true,
+      "requires": {
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+        "es-abstract": "^1.17.5"
+      }
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-      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.1.tgz",
-      "integrity": "sha512-iu2AGd3PuP5Rp7x2kEZCrB2Nf41ehzh+goo8TV7z8/XDBbsvc6HQIlUl9RjkZ4oyrW1XM5UwlGl1oVEaDjg6Ag==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.2.tgz",
+      "integrity": "sha512-gCA0tza1JBvqr3bfAIFJGqfdRTyPae82+KTnm3coDXkZN9wnuW3HjGgN386D7hfv5CHQYCI022/rJPVlqXyHSw==",
       "dev": true,
       "requires": {
         "define-properties": "^1.1.3",
-        "function-bind": "^1.1.1"
+        "es-abstract": "^1.17.5",
+        "string.prototype.trimstart": "^1.0.0"
       }
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     "string.prototype.trimright": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.1.tgz",
-      "integrity": "sha512-qFvWL3/+QIgZXVmJBfpHmxLB7xsUXz6HsUmP8+5dRaC3Q7oKUv9Vo6aMCRZC1smrtyECFsIT30PqBJ1gTjAs+g==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.2.tgz",
+      "integrity": "sha512-ZNRQ7sY3KroTaYjRS6EbNiiHrOkjihL9aQE/8gfQ4DtAC/aEBRHFJa44OmoWxGGqXuJlfKkZW4WcXErGr+9ZFg==",
       "dev": true,
       "requires": {
         "define-properties": "^1.1.3",
-        "function-bind": "^1.1.1"
+        "es-abstract": "^1.17.5",
+        "string.prototype.trimend": "^1.0.0"
+      }
+    },
+    "string.prototype.trimstart": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.1.tgz",
+      "integrity": "sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5"
       }
     },
     "strip-ansi": {
diff --git a/package.json b/package.json
index 2f0e298..b91034d 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "xml-encryption",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "devDependencies": {
-    "mocha": "^7.1.1",
+    "mocha": "^7.1.2",
     "should": "^11.2.1",
     "sinon": "^9.0.2"
   },