diff --git a/gpu-dawn/.github/workflows/ci.yml b/gpu-dawn/.github/workflows/ci.yml
index 9bbeab38..c6155b2c 100644
--- a/gpu-dawn/.github/workflows/ci.yml
+++ b/gpu-dawn/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ on:
     types:
       - completed
 jobs:
-  x86_64-linux_debug:
+  x86_64-linux-gnu_debug:
     runs-on: ubuntu-latest
     # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push
     # to the branch.
@@ -26,7 +26,7 @@ jobs:
         env:
           RELEASE_NAME: x86_64-linux-gnu_debug
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-  x86_64-linux_release-fast:
+  x86_64-linux-gnu_release-fast:
     runs-on: ubuntu-latest
     # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push
     # to the branch.
@@ -47,6 +47,48 @@ jobs:
         env:
           RELEASE_NAME: x86_64-linux-gnu_release-fast
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  x86_64-linux-musl_debug:
+    runs-on: ubuntu-latest
+    # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push
+    # to the branch.
+    if: github.event.workflow_run.conclusion == 'success' && (github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository)
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Zig
+        run: |
+          sudo apt install xz-utils
+          sudo sh -c 'wget -c https://ziglang.org/builds/zig-linux-x86_64-0.10.0-dev.670+e1a535360.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+      - name: Clone mach-glfw
+        run: rm libs/mach-glfw && git clone https://github.com/hexops/mach-glfw libs/mach-glfw
+      - name: install (debug)
+        run: zig build install -Ddawn-from-source=true -Dtarget=x86_64-linux-musl
+      - name: upload (debug)
+        run: ./dev/upload-release.sh
+        env:
+          RELEASE_NAME: x86_64-linux-musl_debug
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  x86_64-linux-musl_release-fast:
+    runs-on: ubuntu-latest
+    # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push
+    # to the branch.
+    if: github.event.workflow_run.conclusion == 'success' && (github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository)
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Zig
+        run: |
+          sudo apt install xz-utils
+          sudo sh -c 'wget -c https://ziglang.org/builds/zig-linux-x86_64-0.10.0-dev.670+e1a535360.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+      - name: Clone mach-glfw
+        run: rm libs/mach-glfw && git clone https://github.com/hexops/mach-glfw libs/mach-glfw
+      - name: install (release-fast)
+        run: zig build install -Ddawn-from-source=true -Drelease-fast=true -Dtarget=x86_64-linux-musl
+      - name: upload (release-fast)
+        run: ./dev/upload-release.sh
+        env:
+          RELEASE_NAME: x86_64-linux-musl_release-fast
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   # TODO(build-system): enable windows CI here once gpu-dawn builds under Windows
   # x86_64-windows:
   #   runs-on: windows-latest