diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 8ebeebdb..fb7d6562 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -24,12 +24,23 @@ jobs:
               target: "aarch64-unknown-linux-gnu",
               cross: true,
             }
+          - {
+              os: "ubuntu-latest",
+              target: "aarch64-unknown-linux-musl",
+              cross: true,
+            }
           - { os: "macOS-latest", target: "x86_64-apple-darwin", cross: false }
+          - { os: "macOS-latest", target: "aarch64-apple-darwin", cross: false }
           - {
               os: "windows-2019",
               target: "x86_64-pc-windows-msvc",
               cross: false,
             }
+          - {
+              os: "windows-2019",
+              target: "i686-pc-windows-msvc",
+              cross: true,
+            }
     runs-on: ${{ matrix.info.os }}
     steps:
       - uses: actions/checkout@v2