diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6fbeffcd..311b05ea 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -36,19 +36,19 @@ jobs:
         name: clippy "No Default Features" (${{ matrix.os }} / ${{ matrix.rust }})
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          args: --workspace --no-default-features -- -D warnings
+          args: --workspace --no-default-features --all-targets -- -D warnings
           name: clippy "No Default Features" (${{ matrix.os }} / ${{ matrix.rust }})
       - uses: actions-rs/clippy-check@v1
         name: clippy "Default" (${{ matrix.os }} / ${{ matrix.rust }})
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          args: --workspace -- -D warnings
+          args: --workspace --all-targets -- -D warnings
           name: clippy "Default" (${{ matrix.os }} / ${{ matrix.rust }})
       - uses: actions-rs/clippy-check@v1
         name: clippy "All Features" (${{ matrix.os }} / ${{ matrix.rust }})
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          args: --workspace --all-features -- -D warnings
+          args: --workspace --all-features --all-targets -- -D warnings
           name: clippy "All Features" (${{ matrix.os }} / ${{ matrix.rust }})
 
   rustfmt:
@@ -91,34 +91,35 @@ jobs:
         if: matrix.rust != 'nightly'
         with:
           command: build
-          args: --all --all-features
+          args: --workspace --all-features --all-targets
       - uses: actions-rs/cargo@v1
         name: Build (${{ matrix.os }} / ${{ matrix.rust }})
         if: matrix.rust == 'nightly'
         with:
           command: build
           # https://github.com/rust-lang/cargo/issues/8088 for unstable-options
-          args: --all --all-features -Zunstable-options -Zfeatures=dev_dep,host_dep
+          args: --workspace --all-features --all-targets -Zunstable-options -Zfeatures=dev_dep,host_dep
       - uses: actions-rs/cargo@v1
         name: Test "No Default Features" (${{ matrix.os }} / ${{ matrix.rust }})
         with:
           command: test
-          args: --all --no-default-features
+          args: --workspace --no-default-features --all-targets
       - uses: actions-rs/cargo@v1
         name: Test "Default" (${{ matrix.os }} / ${{ matrix.rust }})
         with:
           command: test
-          args: --all
+          args: --workspace --all-targets
       - uses: actions-rs/cargo@v1
         name: Test "All Features" (${{ matrix.os }} / ${{ matrix.rust }})
         with:
           command: test
-          args: --all --all-features
+          args: --workspace --all-features --all-targets
 
       - name: Run cargo-tarpaulin
         uses: actions-rs/tarpaulin@v0.1
         if: matrix.rust == 'stable'  && matrix.os == 'ubuntu-latest'
         with:
+          # tarpaulin already runs with --all-targets
           args: "--workspace --all-features -- --test-threads 1"
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v1.1.1