diff --git a/package.json b/package.json
index d7c7abc..23eaf5b 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,6 @@
     "@babel/register": "^7.8.3",
     "@babel/core": "^7.8.4",
     "@babel/plugin-syntax-bigint": "^7.8.3",
-    "json-bigint": "^0.3.0"
+    "json-bigint": "^1.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 0ede7a5..3c8fc8f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -740,10 +740,10 @@ babel-plugin-dynamic-import-node@^2.3.0:
   dependencies:
     object.assign "^4.1.0"
 
-bignumber.js@^7.0.0:
-  version "7.2.1"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
-  integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
+bignumber.js@^9.0.0:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.1.tgz#8d7ba124c882bfd8e43260c67475518d0689e4e5"
+  integrity sha512-IdZR9mh6ahOBv/hYGiXyVuyCetmGJhtYkqLBpTStdhEGjegpPlUawydyaF3pbIOFynJTpllEs+NP+CS9jKFLjA==
 
 browserslist@^4.8.3, browserslist@^4.8.5:
   version "4.8.6"
@@ -897,12 +897,12 @@ jsesc@~0.5.0:
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
   integrity sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=
 
-json-bigint@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/json-bigint/-/json-bigint-0.3.0.tgz#0ccd912c4b8270d05f056fbd13814b53d3825b1e"
-  integrity sha1-DM2RLEuCcNBfBW+9E4FLU9OCWx4=
+json-bigint@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/json-bigint/-/json-bigint-1.0.0.tgz#ae547823ac0cad8398667f8cd9ef4730f5b01ff1"
+  integrity sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==
   dependencies:
-    bignumber.js "^7.0.0"
+    bignumber.js "^9.0.0"
 
 json5@^2.1.0:
   version "2.1.1"