diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c258999..94318c4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,9 @@ jobs:
 
     - name: Install Rust
       uses: hecrj/setup-rust-action@v1
+      with:
+        rust-version: nightly
+        components: rust-src
 
     - name: Install target
       run: rustup target add wasm32-unknown-unknown
@@ -75,7 +78,7 @@ jobs:
     - name: Build Core
       run: |
         set -e
-        npm run build:core:production
+        npm run build:core:deploy
 
     - name: Set up tslint matcher
       run: echo "::add-matcher::.github/workflows/tslint.json"
diff --git a/buildCore.js b/buildCore.js
index 7d583fd..35ffebd 100644
--- a/buildCore.js
+++ b/buildCore.js
@@ -2,14 +2,19 @@ import { execSync } from "child_process";
 import fs from "fs";
 
 let buildFlags = "";
+let toolchain = "";
 let targetFolder = "debug";
 if (process.argv.some((v) => v === "--production")) {
     buildFlags = "--release";
     targetFolder = "release";
 }
+if (process.argv.some((v) => v === "--nightly")) {
+    toolchain = "+nightly";
+    buildFlags += " -Z build-std=std,panic_abort -Z build-std-features=panic_immediate_abort";
+}
 
 execSync(
-    "cargo run",
+    `cargo ${toolchain} run`,
     {
         cwd: "livesplit-core/capi/bind_gen",
         stdio: "inherit",
@@ -17,7 +22,7 @@ execSync(
 );
 
 execSync(
-    `cargo rustc -p livesplit-core-capi --crate-type cdylib --features wasm-web --target wasm32-unknown-unknown ${buildFlags}`,
+    `cargo ${toolchain} rustc -p livesplit-core-capi --crate-type cdylib --features wasm-web --target wasm32-unknown-unknown ${buildFlags}`,
     {
         cwd: "livesplit-core",
         stdio: "inherit",
diff --git a/package.json b/package.json
index dc37777..08335e5 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "build": "webpack",
     "build:core": "node buildCore.js",
     "build:core:production": "node buildCore.js --production",
+    "build:core:deploy": "node buildCore.js --production --nightly",
     "lint": "tslint --project tsconfig.json",
     "publish": "webpack --mode production",
     "serve": "webpack serve",