diff --git a/addons/Dexie.Observable/test/typings/tsconfig.json b/addons/Dexie.Observable/test/typings/tsconfig.json
index 4451a35c7..0d07f7dbc 100644
--- a/addons/Dexie.Observable/test/typings/tsconfig.json
+++ b/addons/Dexie.Observable/test/typings/tsconfig.json
@@ -6,7 +6,7 @@
         "strictNullChecks": true,
         "outDir": "../../tools/tmp/test-typings",
         "moduleResolution": "node",
-        "lib": ["dom", "es2018"]
+        "lib": ["dom", "es2020"]
     },
     "files": [
         "test-typings.ts"
diff --git a/addons/dexie-cloud/src/tsconfig.json b/addons/dexie-cloud/src/tsconfig.json
index e95ffe267..82e3c0fee 100644
--- a/addons/dexie-cloud/src/tsconfig.json
+++ b/addons/dexie-cloud/src/tsconfig.json
@@ -1,14 +1,14 @@
 {
   "compilerOptions": {
     "module": "es2015",
-    "target": "es2018",
+    "target": "es2020",
     "declaration": true,
     "importHelpers": true,
     "strictNullChecks": true,
     "noImplicitAny": false,
     "noImplicitReturns": true,
     "moduleResolution": "node",
-    "lib": ["ES2018", "DOM"],
+    "lib": ["ES2020", "DOM"],
     "forceConsistentCasingInFileNames": true,
     "sourceMap": true,
     "rootDir": ".",
diff --git a/addons/dexie-cloud/test/tsconfig.json b/addons/dexie-cloud/test/tsconfig.json
index 78599387d..79f1222df 100644
--- a/addons/dexie-cloud/test/tsconfig.json
+++ b/addons/dexie-cloud/test/tsconfig.json
@@ -8,7 +8,7 @@
     "noImplicitAny": false,
     "noImplicitReturns": true,
     "moduleResolution": "node",
-    "lib": ["ES2018", "DOM"],
+    "lib": ["ES2020", "DOM"],
     "forceConsistentCasingInFileNames": true,
     "sourceMap": true,
     "rootDir": "..",
diff --git a/src/functions/cmp.ts b/src/functions/cmp.ts
index 9b0ec2705..8da9a0d3b 100644
--- a/src/functions/cmp.ts
+++ b/src/functions/cmp.ts
@@ -78,7 +78,9 @@ type BinaryType =
   | Uint32Array
   | Int32Array
   | Float32Array
-  | Float64Array;
+  | Float64Array
+  | BigInt64Array 
+  | BigUint64Array;
 
 function getUint8Array(a: BinaryType): Uint8Array {
   if (a instanceof Uint8Array) return a;
diff --git a/src/tsconfig.json b/src/tsconfig.json
index 72164748b..5ed50fa97 100644
--- a/src/tsconfig.json
+++ b/src/tsconfig.json
@@ -8,7 +8,7 @@
     "noImplicitAny": false,
     "noImplicitReturns": false,
     "moduleResolution": "node",
-    "lib": ["es2018", "dom"],
+    "lib": ["es2020", "dom"],
     "forceConsistentCasingInFileNames": true,
     "outDir": "../tools/tmp/src/",
     "sourceMap": true
diff --git a/test/tsconfig.json b/test/tsconfig.json
index c8aaacf38..170fece47 100644
--- a/test/tsconfig.json
+++ b/test/tsconfig.json
@@ -8,7 +8,7 @@
     "noImplicitAny": false,
     "noImplicitReturns": false,
     "moduleResolution": "node",
-    "lib": ["es2018", "dom"],
+    "lib": ["es2020", "dom"],
     "forceConsistentCasingInFileNames": true,
     "outDir": "../tools/tmp/",
     "sourceMap": true,
diff --git a/test/typings-test/tsconfig.json b/test/typings-test/tsconfig.json
index fe4a1708b..211ff0ded 100644
--- a/test/typings-test/tsconfig.json
+++ b/test/typings-test/tsconfig.json
@@ -8,7 +8,7 @@
         "noImplicitThis": true,
         "outDir": "../../tools/tmp/test-typings",
         "moduleResolution": "node",
-        "lib": ["dom", "es2015"]
+        "lib": ["dom", "es2020"]
     },
     "files": [
         "test-typings.ts"