SyntaxError: Invalid regular expression in webpack/cli.js

[petepal]

I'm trying to deploy Bitwarden on my machine. When running npm install I get the following error:

[09:41:05] Using gulpfile ~/bitwarden_rs/target/release/web-vault.git/gulpfile.js
[09:41:05] Starting 'prebuild'...
[09:41:05] Starting 'clean'...
[09:41:05] Finished 'clean' after 6.59 ms
[09:41:05] Starting 'webfonts'...
[09:41:05] Finished 'webfonts' after 527 ms
[09:41:05] Finished 'prebuild' after 536 ms
/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:66
			.replace(
			^

SyntaxError: Invalid regular expression: /(\p{Uppercase_Letter}+|\p{Lowercase_Letter}|\d)(\p{Uppercase_Letter}+)/: Invalid escape
    at pathToArgumentName (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:66:4)
    at addFlag (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:170:16)
    at traverse (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:243:21)
    at traverse (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:299:23)
    at traverse (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:248:24)
    at Object.getArguments (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack/lib/cli.js:308:2)
    at Object.<anonymous> (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/webpack-cli/lib/utils/cli-flags.js:174:26)
    at Module._compile (/home/bitwarden/bitwarden_rs/target/release/web-vault.git/node_modules/v8-compile-cache/v8-compile-cache.js:192:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:665:10)
    at Module.load (internal/modules/cjs/loader.js:566:32)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! bitwarden-web@2.18.0 build:prod: `gulp prebuild && cross-env NODE_ENV=production webpack`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the bitwarden-web@2.18.0 build:prod script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/bitwarden/.npm/_logs/2021-02-02T09_41_05_882Z-debug.log
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! bitwarden-web@2.18.0 dist: `npm run build:prod && gulp postdist`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the bitwarden-web@2.18.0 dist script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

Any ideas what I'm doing wrong? ;)