diff --git a/node_modules/@chainsafe/bls/lib/getImplementation.js b/node_modules/@chainsafe/bls/lib/getImplementation.js
index 9137cd4..ba8de8a 100644
--- a/node_modules/@chainsafe/bls/lib/getImplementation.js
+++ b/node_modules/@chainsafe/bls/lib/getImplementation.js
@@ -3,7 +3,7 @@ const isNode = Object.prototype.toString.call(typeof process !== "undefined" ? p
 export async function getImplementation(impl = "herumi") {
     switch (impl) {
         case "herumi": {
-            return (await import("./herumi/index.js")).bls;
+            return (await import("./herumi/index.js")).bls();
         }
         case "blst-native":
             // Lazy import native bindings to prevent automatically importing binding.node files
diff --git a/node_modules/@chainsafe/bls/lib/herumi/index.js b/node_modules/@chainsafe/bls/lib/herumi/index.js
index 4ed8fdd..f979984 100644
--- a/node_modules/@chainsafe/bls/lib/herumi/index.js
+++ b/node_modules/@chainsafe/bls/lib/herumi/index.js
@@ -1,16 +1,20 @@
-import { SecretKey } from "./secretKey.js";
-import { PublicKey } from "./publicKey.js";
-import { Signature } from "./signature.js";
-import { init, destroy } from "./context.js";
-import { functionalInterfaceFactory } from "../functional.js";
-await init();
-export * from "../constants.js";
-export { SecretKey, PublicKey, Signature, init, destroy };
-export const bls = {
-    implementation: "herumi",
-    SecretKey,
-    PublicKey,
-    Signature,
-    ...functionalInterfaceFactory({ SecretKey, PublicKey, Signature }),
-};
-export default bls;
+import { SecretKey } from './secretKey.js'
+import { PublicKey } from './publicKey.js'
+import { Signature } from './signature.js'
+import { init, destroy } from './context.js'
+import { functionalInterfaceFactory } from '../functional.js'
+
+export * from '../constants.js'
+export { SecretKey, PublicKey, Signature, init, destroy }
+
+export const bls = async () => {
+    await init()
+    return {
+        implementation: 'herumi',
+        SecretKey,
+        PublicKey,
+        Signature,
+        ...functionalInterfaceFactory({ SecretKey, PublicKey, Signature }),
+    }
+}
+export default bls
diff --git a/node_modules/@chainsafe/bls/lib/index.d.ts b/node_modules/@chainsafe/bls/lib/index.d.ts
index 35a9432..097a938 100644
--- a/node_modules/@chainsafe/bls/lib/index.d.ts
+++ b/node_modules/@chainsafe/bls/lib/index.d.ts
@@ -1,3 +1,3 @@
 import type { IBls } from "./types.js";
-declare let bls: IBls;
+export declare const bls: () => Promise<IBls>;
 export default bls;
diff --git a/node_modules/@chainsafe/bls/lib/index.js b/node_modules/@chainsafe/bls/lib/index.js
index c2a5bdf..9572018 100644
--- a/node_modules/@chainsafe/bls/lib/index.js
+++ b/node_modules/@chainsafe/bls/lib/index.js
@@ -1,11 +1,14 @@
 import { getImplementation } from "./getImplementation.js";
 // Thanks https://github.com/iliakan/detect-node/blob/master/index.esm.js
 const isNode = Object.prototype.toString.call(typeof process !== "undefined" ? process : 0) === "[object process]";
-let bls;
-try {
-    bls = await getImplementation(isNode ? "blst-native" : "herumi");
-}
-catch (e) {
-    bls = await getImplementation("herumi");
-}
+export const bls = async () => {
+    let bls;
+    try {
+        bls = await getImplementation(isNode ? "blst-native" : "herumi");
+    }
+    catch (e) {
+        bls = await getImplementation("herumi");
+    }
+    return bls;
+};
 export default bls;