diff --git a/package-lock.json b/package-lock.json
index eadac5a..dc9d0e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,14 +1,15 @@
 {
   "name": "screenshotone-api-sdk",
-  "version": "1.1.0",
+  "version": "1.1.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "screenshotone-api-sdk",
-      "version": "1.1.0",
+      "version": "1.1.2",
       "license": "MIT",
       "dependencies": {
+        "@peculiar/webcrypto": "^1.4.3",
         "big.js": "^6.2.0",
         "cross-fetch": "^4.0.0"
       },
@@ -950,6 +951,42 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
+    "node_modules/@peculiar/asn1-schema": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/@peculiar/asn1-schema/-/asn1-schema-2.3.6.tgz",
+      "integrity": "sha512-izNRxPoaeJeg/AyH8hER6s+H7p4itk+03QCa4sbxI3lNdseQYCuxzgsuNK8bTXChtLTjpJz6NmXKA73qLa3rCA==",
+      "dependencies": {
+        "asn1js": "^3.0.5",
+        "pvtsutils": "^1.3.2",
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@peculiar/json-schema": {
+      "version": "1.1.12",
+      "resolved": "https://registry.npmjs.org/@peculiar/json-schema/-/json-schema-1.1.12.tgz",
+      "integrity": "sha512-coUfuoMeIB7B8/NMekxaDzLhaYmp0HZNPEjYRm9goRou8UZIC3z21s0sL9AWoCw4EG876QyO3kYrc61WNF9B/w==",
+      "dependencies": {
+        "tslib": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
+    "node_modules/@peculiar/webcrypto": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/@peculiar/webcrypto/-/webcrypto-1.4.3.tgz",
+      "integrity": "sha512-VtaY4spKTdN5LjJ04im/d/joXuvLbQdgy5Z4DXF4MFZhQ+MTrejbNMkfZBp1Bs3O5+bFqnJgyGdPuZQflvIa5A==",
+      "dependencies": {
+        "@peculiar/asn1-schema": "^2.3.6",
+        "@peculiar/json-schema": "^1.1.12",
+        "pvtsutils": "^1.3.2",
+        "tslib": "^2.5.0",
+        "webcrypto-core": "^1.7.7"
+      },
+      "engines": {
+        "node": ">=10.12.0"
+      }
+    },
     "node_modules/@sinclair/typebox": {
       "version": "0.24.40",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.24.40.tgz",
@@ -1158,6 +1195,19 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "node_modules/asn1js": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/asn1js/-/asn1js-3.0.5.tgz",
+      "integrity": "sha512-FVnvrKJwpt9LP2lAMl8qZswRNm3T4q9CON+bxldk2iwk3FFpuwhx2FfinyitizWHsVYyaY+y5JzDR0rCMV5yTQ==",
+      "dependencies": {
+        "pvtsutils": "^1.3.2",
+        "pvutils": "^1.1.3",
+        "tslib": "^2.4.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
     "node_modules/babel-jest": {
       "version": "29.0.3",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-29.0.3.tgz",
@@ -3020,6 +3070,22 @@
         "node": ">= 6"
       }
     },
+    "node_modules/pvtsutils": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.3.5.tgz",
+      "integrity": "sha512-ARvb14YB9Nm2Xi6nBq1ZX6dAM0FsJnuk+31aUp4TrcZEdKUlSqOqsxJHUPJDNE3qiIp+iUPEIeR6Je/tgV7zsA==",
+      "dependencies": {
+        "tslib": "^2.6.1"
+      }
+    },
+    "node_modules/pvutils": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/pvutils/-/pvutils-1.1.3.tgz",
+      "integrity": "sha512-pMpnA0qRdFp32b1sJl1wOJNxZLQ2cbQx+k6tjNtZ8CpvVhNqEPRgivZ2WOUev2YMajecdH7ctUPDvEe87nariQ==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/react-is": {
       "version": "18.2.0",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.2.0.tgz",
@@ -3402,6 +3468,11 @@
         "node": ">=10"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
     "node_modules/type-detect": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
@@ -3485,6 +3556,18 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/webcrypto-core": {
+      "version": "1.7.7",
+      "resolved": "https://registry.npmjs.org/webcrypto-core/-/webcrypto-core-1.7.7.tgz",
+      "integrity": "sha512-7FjigXNsBfopEj+5DV2nhNpfic2vumtjjgPmeDKk45z+MJwXKKfhPB7118Pfzrmh4jqOMST6Ch37iPAHoImg5g==",
+      "dependencies": {
+        "@peculiar/asn1-schema": "^2.3.6",
+        "@peculiar/json-schema": "^1.1.12",
+        "asn1js": "^3.0.1",
+        "pvtsutils": "^1.3.2",
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
@@ -4318,6 +4401,36 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
+    "@peculiar/asn1-schema": {
+      "version": "2.3.6",
+      "resolved": "https://registry.npmjs.org/@peculiar/asn1-schema/-/asn1-schema-2.3.6.tgz",
+      "integrity": "sha512-izNRxPoaeJeg/AyH8hER6s+H7p4itk+03QCa4sbxI3lNdseQYCuxzgsuNK8bTXChtLTjpJz6NmXKA73qLa3rCA==",
+      "requires": {
+        "asn1js": "^3.0.5",
+        "pvtsutils": "^1.3.2",
+        "tslib": "^2.4.0"
+      }
+    },
+    "@peculiar/json-schema": {
+      "version": "1.1.12",
+      "resolved": "https://registry.npmjs.org/@peculiar/json-schema/-/json-schema-1.1.12.tgz",
+      "integrity": "sha512-coUfuoMeIB7B8/NMekxaDzLhaYmp0HZNPEjYRm9goRou8UZIC3z21s0sL9AWoCw4EG876QyO3kYrc61WNF9B/w==",
+      "requires": {
+        "tslib": "^2.0.0"
+      }
+    },
+    "@peculiar/webcrypto": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/@peculiar/webcrypto/-/webcrypto-1.4.3.tgz",
+      "integrity": "sha512-VtaY4spKTdN5LjJ04im/d/joXuvLbQdgy5Z4DXF4MFZhQ+MTrejbNMkfZBp1Bs3O5+bFqnJgyGdPuZQflvIa5A==",
+      "requires": {
+        "@peculiar/asn1-schema": "^2.3.6",
+        "@peculiar/json-schema": "^1.1.12",
+        "pvtsutils": "^1.3.2",
+        "tslib": "^2.5.0",
+        "webcrypto-core": "^1.7.7"
+      }
+    },
     "@sinclair/typebox": {
       "version": "0.24.40",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.24.40.tgz",
@@ -4508,6 +4621,16 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "asn1js": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/asn1js/-/asn1js-3.0.5.tgz",
+      "integrity": "sha512-FVnvrKJwpt9LP2lAMl8qZswRNm3T4q9CON+bxldk2iwk3FFpuwhx2FfinyitizWHsVYyaY+y5JzDR0rCMV5yTQ==",
+      "requires": {
+        "pvtsutils": "^1.3.2",
+        "pvutils": "^1.1.3",
+        "tslib": "^2.4.0"
+      }
+    },
     "babel-jest": {
       "version": "29.0.3",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-29.0.3.tgz",
@@ -5895,6 +6018,19 @@
         "sisteransi": "^1.0.5"
       }
     },
+    "pvtsutils": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.3.5.tgz",
+      "integrity": "sha512-ARvb14YB9Nm2Xi6nBq1ZX6dAM0FsJnuk+31aUp4TrcZEdKUlSqOqsxJHUPJDNE3qiIp+iUPEIeR6Je/tgV7zsA==",
+      "requires": {
+        "tslib": "^2.6.1"
+      }
+    },
+    "pvutils": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/pvutils/-/pvutils-1.1.3.tgz",
+      "integrity": "sha512-pMpnA0qRdFp32b1sJl1wOJNxZLQ2cbQx+k6tjNtZ8CpvVhNqEPRgivZ2WOUev2YMajecdH7ctUPDvEe87nariQ=="
+    },
     "react-is": {
       "version": "18.2.0",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.2.0.tgz",
@@ -6162,6 +6298,11 @@
         }
       }
     },
+    "tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
+    },
     "type-detect": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
@@ -6210,6 +6351,18 @@
         "makeerror": "1.0.12"
       }
     },
+    "webcrypto-core": {
+      "version": "1.7.7",
+      "resolved": "https://registry.npmjs.org/webcrypto-core/-/webcrypto-core-1.7.7.tgz",
+      "integrity": "sha512-7FjigXNsBfopEj+5DV2nhNpfic2vumtjjgPmeDKk45z+MJwXKKfhPB7118Pfzrmh4jqOMST6Ch37iPAHoImg5g==",
+      "requires": {
+        "@peculiar/asn1-schema": "^2.3.6",
+        "@peculiar/json-schema": "^1.1.12",
+        "asn1js": "^3.0.1",
+        "pvtsutils": "^1.3.2",
+        "tslib": "^2.4.0"
+      }
+    },
     "webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
diff --git a/package.json b/package.json
index e7e1600..438242a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "screenshotone-api-sdk",
   "homepage": "https://screenshotone.com",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "description": "Use ScreenshotOne.com API to generate screenshots of any website.",
   "repository": {
     "type": "git",
@@ -38,6 +38,7 @@
     "typescript": "^4.7.3"
   },
   "dependencies": {
+    "@peculiar/webcrypto": "^1.4.3",
     "big.js": "^6.2.0",
     "cross-fetch": "^4.0.0"
   },
diff --git a/src/signature.ts b/src/signature.ts
index 57a88a3..a0d3249 100644
--- a/src/signature.ts
+++ b/src/signature.ts
@@ -1,15 +1,19 @@
+import { Crypto } from "@peculiar/webcrypto";
+
 const encoder = new TextEncoder();
 
 export async function signQueryString(queryString: string, secretKey: string) {
+    const webCrypto = crypto ? crypto : new Crypto();
+
     let algorithm = { name: "HMAC", hash: "SHA-256" };
-    let key = await crypto.subtle.importKey(
+    let key = await webCrypto.subtle.importKey(
         "raw",
         encoder.encode(secretKey),
         algorithm,
         false,
         ["sign", "verify"]
     );
-    const digest = await crypto.subtle.sign(
+    const digest = await webCrypto.subtle.sign(
         algorithm.name,
         key,
         encoder.encode(queryString)