diff --git a/package-lock.json b/package-lock.json
index a3bcb7d..e3aeca7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "sebak-sdk",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "lockfileVersion": 1,
   "requires": true,
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@@ -24,10 +24,28 @@
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       }
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+      "resolved": "https://registry.npmjs.org/@types/eventsource/-/eventsource-1.1.5.tgz",
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.6.8.tgz",
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+      "version": "15.14.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.14.0.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/@types/randombytes/-/randombytes-2.0.0.tgz",
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+      }
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+      "resolved": "https://registry.npmjs.org/@types/urijs/-/urijs-1.19.16.tgz",
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@@ -106,12 +124,11 @@
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+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.1.tgz",
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-        "is-buffer": "^2.0.2"
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@@ -134,9 +151,9 @@
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+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
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@@ -173,12 +190,12 @@
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-        "ieee754": "^1.1.4"
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@@ -278,11 +295,6 @@
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@@ -347,9 +355,9 @@
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@@ -661,9 +669,9 @@
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+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.0.tgz",
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@@ -742,12 +750,9 @@
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@@ -889,9 +894,9 @@
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+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
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@@ -938,11 +943,6 @@
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@@ -1018,12 +1018,10 @@
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@@ -1169,7 +1167,8 @@
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+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
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         "querystringify": "^2.1.1",
         "requires-port": "^1.0.0"
       }
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+    "utility-types": {
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+      "resolved": "https://registry.npmjs.org/utility-types/-/utility-types-3.10.0.tgz",
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     "validate-npm-package-license": {
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diff --git a/package.json b/package.json
index 386db7f..178b23b 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "crypto": "^1.0.1",
     "isomorphic-fetch": "^2.2.1",
     "rlp": "^2.2.3",
-    "stellar-sdk": "^1.0.5"
+    "stellar-sdk": "^8.2.3"
   },
   "devDependencies": {
     "chai": "^4.1.2",