diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 446924f0..f0788308 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,16 +15,26 @@ jobs:
 
       matrix:
         include:
-          - os: windows-latest
-            target: x86_64-pc-windows-msvc
-
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
-
+            toolchain: stable
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            toolchain: nightly
           - os: macos-latest
             target: x86_64-apple-darwin
+            toolchain: stable
+          - os: macos-latest
+            target: x86_64-apple-darwin
+            toolchain: nightly
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            toolchain: stable
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            toolchain: nightly
 
-    name: Build & Test (${{ matrix.target }})
+    name: Build & Test (${{ matrix.target }} - ${{ matrix.toolchain }})
     runs-on: ${{ matrix.os }}
 
     env:
@@ -37,7 +47,7 @@ jobs:
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: ${{ matrix.toolchain }}
           target: ${{ matrix.target }}
           profile: minimal
           override: true
@@ -46,7 +56,7 @@ jobs:
         if: matrix.target == 'x86_64-unknown-linux-gnu'
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: ${{ matrix.toolchain }}
           target: ${{ matrix.target }}
           profile: minimal
           override: true