diff --git a/deps/undici/src/lib/dispatcher/client-h1.js b/deps/undici/src/lib/dispatcher/client-h1.js
index 3cc24713a37e..a9e911a7c438 100644
--- a/deps/undici/src/lib/dispatcher/client-h1.js
+++ b/deps/undici/src/lib/dispatcher/client-h1.js
@@ -70,8 +70,13 @@ function lazyllhttp () {
 
   let mod
 
-  // We disable wasm SIMD on older versions of Node.js on ppc64 that are broken on Power >=9 architectures.
+  // We disable wasm SIMD on:
+  // - older versions of Node.js on ppc64 that are broken on Power >=9 architectures.
+  // - on RISC-V as there is no code yet
   let useWasmSIMD = true
+  if (process.arch === 'riscv64') {
+      useWasmSIMD = false;
+  }
   if (process.arch === 'ppc64') {
     const [major, minor] = process.versions.node.split('.').map(n => parseInt(n, 10))
     if (major < 24 || (major === 24 && minor < 12)) {
diff --git a/deps/undici/undici.js b/deps/undici/undici.js
index 944a6fa5fce2..d553905ec43b 100644
--- a/deps/undici/undici.js
+++ b/deps/undici/undici.js
@@ -7166,6 +7166,9 @@ var require_client_h1 = __commonJS({
       const llhttpWasmData = process.env.JEST_WORKER_ID ? require_llhttp_wasm() : void 0;
       let mod;
       let useWasmSIMD = true;
+      if (process.arch === 'riscv64') {
+          useWasmSIMD = false;
+      }
       if (process.arch === "ppc64") {
         const [major, minor] = process.versions.node.split(".").map((n) => parseInt(n, 10));
         if (major < 24 || major === 24 && minor < 12) {