diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e81a4be..b4105f6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,6 +10,8 @@ env:
 jobs:
   build:
     runs-on: ${{ matrix.os }}
+    env:
+      RUSTFLAGS: -Zlocation-detail=none -Zthreads=8 -C debuginfo=0
     strategy:
       matrix:
         include:
@@ -36,6 +38,8 @@ jobs:
           toolchain: nightly
           target: ${{ matrix.target }}
           override: true
+      - name: Install rust-src
+        run: rustup component add rust-src --toolchain=nightly
 
       - name: Install Linux dependencies
         if: matrix.os == 'ubuntu-latest'