diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f95eed3d..bf7aef9d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -66,7 +66,7 @@ jobs:
 
       - uses: actions/setup-node@v2
         with:
-          node-version: "18"
+          node-version: "20"
 
       - name: Build bundle
         run: yarn build:test
diff --git a/README.md b/README.md
index 58d2ece9..63d6f4db 100644
--- a/README.md
+++ b/README.md
@@ -261,6 +261,10 @@ By default, `arrow`, `all_compressions`, `reader`, and `writer` features are ena
 - `lz4`: Activate LZ4_RAW compression (only applies to the `arrow2` endpoints).
 - `debug`: Expose the `setPanicHook` function for better error messages for Rust panics. Additionally compiles CLI debug functions.
 
+## Node <20
+
+On Node versions before 20, you'll have to [polyfill the Web Cryptography API](https://docs.rs/getrandom/latest/getrandom/#nodejs-es-module-support).
+
 ## Future work
 
 - [ ] Example of pushdown predicate filtering, to download only chunks that match a specific condition
diff --git a/package.json b/package.json
index d9daf37c..1d283aa2 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@fastify/static": "^6.10.2",
-    "@types/node": "^18",
+    "@types/node": "^20",
     "apache-arrow": "^13.0.0",
     "arrow-js-ffi": "0.3.0",
     "benny": "^3.7.1",
@@ -21,7 +21,7 @@
     "vitest": "^0.34.0"
   },
   "volta": {
-    "node": "18.17.0",
+    "node": "20.7.0",
     "yarn": "1.22.19"
   }
 }
diff --git a/tests/js/index.test.ts b/tests/js/index.test.ts
index c58590a0..60c1d2b5 100644
--- a/tests/js/index.test.ts
+++ b/tests/js/index.test.ts
@@ -1,7 +1,3 @@
-import { webcrypto } from "node:crypto";
-// @ts-expect-error
-globalThis.crypto = webcrypto;
-
 import "./arrow1.test";
 import "./arrow1-ffi.test";
 import "./arrow2.test";