diff --git a/nodejs.spec b/nodejs.spec
index 180c432..51b01e9 100644
--- a/nodejs.spec
+++ b/nodejs.spec
@@ -180,11 +180,11 @@ Source101: cjs-module-lexer-1.2.2.tar.gz
 Source111: https://github.com/WebAssembly/wasi-sdk/archive/wasi-sdk-11/wasi-sdk-11.0-linux.tar.gz
 
 # Version: jq '.version' deps/undici/src/package.json
-# Original: https://github.com/nodejs/undici/archive/refs/tags/v5.22.1.tar.gz
-# Adjustments: rm -f undici-5.22.1/lib/llhttp/llhttp*.wasm
+# Original: https://github.com/nodejs/undici/archive/refs/tags/v5.26.3.tar.gz
+# Adjustments: rm -f undici-5.26.3/lib/llhttp/llhttp*.wasm
 # wasi-sdk version can be found in Dockerfile
-# https://github.com/nodejs/undici/blob/v5.22.1/build/Dockerfile
-Source102: undici-5.22.1.tar.gz
+# https://github.com/nodejs/undici/blob/v5.26.3/build/Dockerfile
+Source102: undici-5.26.3.tar.gz
 Source112: https://github.com/WebAssembly/wasi-sdk/archive/wasi-sdk-14/wasi-sdk-14.0-linux.tar.gz
 
 # Disable running gyp on bundled deps we don't use