diff --git a/package-lock.json b/package-lock.json
index f995d8c52..e8dfdbda0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@interlay/interbtc-types": "1.12.0",
         "@interlay/monetary-js": "0.7.3",
         "@polkadot/api": "9.14.2",
-        "big.js": "6.2.1",
+        "big.js": "6.1.1",
         "bitcoin-core": "^3.0.0",
         "bitcoinjs-lib": "^5.2.0",
         "bn.js": "4.12.0",
@@ -23,7 +23,7 @@
       },
       "devDependencies": {
         "@polkadot/typegen": "9.14.2",
-        "@types/big.js": "6.1.6",
+        "@types/big.js": "6.1.2",
         "@types/chai": "^4.2.12",
         "@types/chai-as-promised": "^7.1.3",
         "@types/mocha": "^10.0.1",
@@ -562,23 +562,6 @@
         "typescript": "^4.3.2"
       }
     },
-    "node_modules/@interlay/monetary-js/node_modules/@types/big.js": {
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-      "resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.2.tgz",
-      "integrity": "sha512-h24JIZ52rvSvi2jkpYDk2yLH99VzZoCJiSfDWwjst7TwJVuXN61XVCUlPCzRl7mxKEMsGf8z42Q+J4TZwU3z2w=="
-    },
-    "node_modules/@interlay/monetary-js/node_modules/big.js": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.1.1.tgz",
-      "integrity": "sha512-1vObw81a8ylZO5ePrtMay0n018TcftpTA5HFKDaSuiUDBo8biRBtjIobw60OpwuvrGk+FsxKamqN4cnmj/eXdg==",
-      "engines": {
-        "node": "*"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/bigjs"
-      }
-    },
     "node_modules/@interlay/monetary-js/node_modules/typescript": {
       "version": "4.9.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
@@ -1444,10 +1427,9 @@
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     "node_modules/@types/big.js": {
-      "version": "6.1.6",
-      "resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.6.tgz",
-      "integrity": "sha512-0r9J+Zz9rYm2hOTwiMAVkm3XFQ4u5uTK37xrQMhc9bysn/sf/okzovWMYYIBMFTn/yrEZ11pusgLEaoarTlQbA==",
-      "dev": true
+      "version": "6.1.2",
+      "resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.2.tgz",
+      "integrity": "sha512-h24JIZ52rvSvi2jkpYDk2yLH99VzZoCJiSfDWwjst7TwJVuXN61XVCUlPCzRl7mxKEMsGf8z42Q+J4TZwU3z2w=="
     },
     "node_modules/@types/bn.js": {
       "version": "5.1.1",
@@ -2124,9 +2106,9 @@
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     },
     "node_modules/big.js": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.2.1.tgz",
-      "integrity": "sha512-bCtHMwL9LeDIozFn+oNhhFoq+yQ3BNdnsLSASUxLciOb1vgvpHsIO1dsENiGMgbb4SkP5TrzWzRiLddn8ahVOQ==",
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.1.1.tgz",
+      "integrity": "sha512-1vObw81a8ylZO5ePrtMay0n018TcftpTA5HFKDaSuiUDBo8biRBtjIobw60OpwuvrGk+FsxKamqN4cnmj/eXdg==",
       "engines": {
         "node": "*"
       },
@@ -8370,16 +8352,6 @@
         "typescript": "^4.3.2"
       },
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-        "@types/big.js": {
-          "version": "6.1.2",
-          "resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.2.tgz",
-          "integrity": "sha512-h24JIZ52rvSvi2jkpYDk2yLH99VzZoCJiSfDWwjst7TwJVuXN61XVCUlPCzRl7mxKEMsGf8z42Q+J4TZwU3z2w=="
-        },
-        "big.js": {
-          "version": "6.1.1",
-          "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.1.1.tgz",
-          "integrity": "sha512-1vObw81a8ylZO5ePrtMay0n018TcftpTA5HFKDaSuiUDBo8biRBtjIobw60OpwuvrGk+FsxKamqN4cnmj/eXdg=="
-        },
         "typescript": {
           "version": "4.9.5",
           "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.5.tgz",
@@ -9057,10 +9029,9 @@
       "dev": true
     },
     "@types/big.js": {
-      "version": "6.1.6",
-      "resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.6.tgz",
-      "integrity": "sha512-0r9J+Zz9rYm2hOTwiMAVkm3XFQ4u5uTK37xrQMhc9bysn/sf/okzovWMYYIBMFTn/yrEZ11pusgLEaoarTlQbA==",
-      "dev": true
+      "version": "6.1.2",
+      "resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.2.tgz",
+      "integrity": "sha512-h24JIZ52rvSvi2jkpYDk2yLH99VzZoCJiSfDWwjst7TwJVuXN61XVCUlPCzRl7mxKEMsGf8z42Q+J4TZwU3z2w=="
     },
     "@types/bn.js": {
       "version": "5.1.1",
@@ -9569,9 +9540,9 @@
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     },
     "big.js": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.2.1.tgz",
-      "integrity": "sha512-bCtHMwL9LeDIozFn+oNhhFoq+yQ3BNdnsLSASUxLciOb1vgvpHsIO1dsENiGMgbb4SkP5TrzWzRiLddn8ahVOQ=="
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.1.1.tgz",
+      "integrity": "sha512-1vObw81a8ylZO5ePrtMay0n018TcftpTA5HFKDaSuiUDBo8biRBtjIobw60OpwuvrGk+FsxKamqN4cnmj/eXdg=="
     },
     "bignumber.js": {
       "version": "9.1.1",
diff --git a/package.json b/package.json
index 09d4c87c0..9b7e0a61c 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
   },
   "devDependencies": {
     "@polkadot/typegen": "9.14.2",
-    "@types/big.js": "6.1.6",
+    "@types/big.js": "6.1.2",
     "@types/chai": "^4.2.12",
     "@types/chai-as-promised": "^7.1.3",
     "@types/mocha": "^10.0.1",