diff --git a/package.json b/package.json
index 28b1174..8815879 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "lodash.pickby": "^4.6.0",
     "openapi3-ts": "^2.0.2",
     "postman-collection": "^4.1.2",
-    "tslib": "^2.3.1",
+    "tslib": "^2.6.2",
     "type-is": "^1.6.18"
   },
   "devDependencies": {
diff --git a/src/oas/__tests__/__snapshots__/operation.test.ts.snap b/src/oas/__tests__/__snapshots__/operation.test.ts.snap
index 7007f6d..65b62e2 100644
--- a/src/oas/__tests__/__snapshots__/operation.test.ts.snap
+++ b/src/oas/__tests__/__snapshots__/operation.test.ts.snap
@@ -29,8 +29,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -90,8 +90,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -349,8 +349,8 @@ Array [
             "schema": Object {
               "$schema": "http://json-schema.org/draft-07/schema#",
               "format": "int64",
-              "maximum": 9223372036854776000,
-              "minimum": -9223372036854776000,
+              "maximum": 9007199254740991,
+              "minimum": -9007199254740991,
               "type": "number",
               "x-stoplight": Object {
                 "explicitProperties": Array [
@@ -450,8 +450,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -511,8 +511,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -771,8 +771,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -833,8 +833,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -1069,8 +1069,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
@@ -1131,8 +1131,8 @@ Array [
                 },
                 "id": Object {
                   "format": "int64",
-                  "maximum": 9223372036854776000,
-                  "minimum": -9223372036854776000,
+                  "maximum": 9007199254740991,
+                  "minimum": -9007199254740991,
                   "type": "integer",
                   "x-stoplight": Object {
                     "explicitProperties": Array [
diff --git a/src/oas/transformers/schema/__tests__/schema.spec.ts b/src/oas/transformers/schema/__tests__/schema.spec.ts
index 7c540e5..6916471 100644
--- a/src/oas/transformers/schema/__tests__/schema.spec.ts
+++ b/src/oas/transformers/schema/__tests__/schema.spec.ts
@@ -110,7 +110,7 @@ describe('translateSchemaObject', () => {
           {
             type: 'integer',
             format: 'int64',
-            maximum: 2 ** 40,
+            maximum: Number.MAX_SAFE_INTEGER,
             'x-stoplight': {
               explicitProperties: ['type', 'format', 'maximum'],
             },
@@ -139,8 +139,8 @@ describe('translateSchemaObject', () => {
         {
           type: 'integer',
           format: 'int64',
-          minimum: 0 - 2 ** 63,
-          maximum: 2 ** 40,
+          minimum: Number.MIN_SAFE_INTEGER,
+          maximum: Number.MAX_SAFE_INTEGER,
           'x-stoplight': {
             explicitProperties: ['type', 'format', 'maximum'],
           },
diff --git a/src/oas/transformers/schema/keywords/format.ts b/src/oas/transformers/schema/keywords/format.ts
index efef8fb..64f9001 100644
--- a/src/oas/transformers/schema/keywords/format.ts
+++ b/src/oas/transformers/schema/keywords/format.ts
@@ -6,8 +6,8 @@ import type { Converter } from '../types';
 const ranges = {
   MIN_INT_32: 0 - 2 ** 31,
   MAX_INT_32: 2 ** 31 - 1,
-  MIN_INT_64: 0 - 2 ** 63,
-  MAX_INT_64: 2 ** 63 - 1,
+  MIN_INT_64: Number.MIN_SAFE_INTEGER,
+  MAX_INT_64: Number.MAX_SAFE_INTEGER,
   MIN_FLOAT: 0 - 2 ** 128,
   MAX_FLOAT: 2 ** 128 - 1,
   MIN_DOUBLE: 0 - Number.MAX_VALUE,
diff --git a/yarn.lock b/yarn.lock
index 6b36af2..4fbced0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10373,6 +10373,11 @@ tslib@^2.0.0, tslib@^2.2.0, tslib@^2.3.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
   integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
 
+tslib@^2.6.2:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.2.tgz#703ac29425e7b37cd6fd456e92404d46d1f3e4ae"
+  integrity sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==
+
 tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"