diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 118008c6..8daeb296 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -8,7 +8,7 @@ jobs:
   security_audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - uses: actions-rs/audit-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 44a5fffe..93b71c87 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,63 +24,43 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         name: Setup rust toolchain
         with:
-          profile: minimal
           toolchain: ${{ matrix.rust }}
-          override: true
           components: rustfmt, clippy
 
       - uses: Swatinem/rust-cache@v2
         name: Load dependencies from cache
 
-      - uses: actions-rs/cargo@v1
-        name: Build with stable features
-        with:
-          command: build
-          args: --features stable
+      - name: Build with stable features
+        run: cargo build --features stable
 
-      - uses: actions-rs/cargo@v1
+      - name: Build with unstable features
         if: ${{ matrix.rust == 'nightly' }}
-        name: Build with unstable features
-        with:
-          command: build
-          args: --all-features
+        run: cargo build --all-features
 
-      - uses: actions-rs/cargo@v1
-        name: Build with minimal features
-        with:
-          command: build
-          args: --no-default-features
+      - name: Build with minimal features
+        run: cargo build --no-default-features
 
-      - uses: actions-rs/cargo@v1
-        name: Test with stable features
-        with:
-          command: test
-          args: --features stable
+      - name: Test with stable features
+        run: cargo test --features stable
 
-      - uses: actions-rs/cargo@v1
-        name: Test with minimal features
-        with:
-          command: test
-          args: --no-default-features
+      - name: Test with minimal features
+        run: cargo test --no-default-features
 
-      - uses: actions-rs/cargo@v1
-        name: Check for non-standard formatting
+      - name: Check for non-standard formatting
         if: ${{ matrix.rust == 'stable' }}
-        with:
-          command: fmt
-          args: --all -- --check
+        run: cargo fmt --all -- --check
 
-      - uses: actions-rs/cargo@v1
-        name: Check for clippy hints
+      - name: Check for clippy hints
         if: ${{ matrix.rust == 'stable' }}
-        with:
-          command: clippy
-          args: -- -D warnings
+        run: cargo clippy -- -D warnings
 
+      # This fails on 1.64, but works on 1.66 and later.
+      # https://github.com/rust-lang/rust/issues/103306
       - name: Test run targeting WASI
+        if: ${{ matrix.rust == 'stable' }}
         run: |
           curl https://wasmtime.dev/install.sh -sSf | bash
           source ~/.bashrc
@@ -97,16 +77,14 @@ jobs:
           - stable
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           toolchain: ${{ matrix.rust }}
-          override: true
           components: rustfmt, clippy
 
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
 
       - uses: taiki-e/install-action@nextest
 
diff --git a/plot/Cargo.toml b/plot/Cargo.toml
index 94668a0d..93178b0b 100644
--- a/plot/Cargo.toml
+++ b/plot/Cargo.toml
@@ -21,6 +21,4 @@ num-complex = { version = "0.4", default-features = false, features = ["std"] }
 rand = "0.8"
 
 [badges]
-travis-ci = { repository = "bheisler/criterion.rs" }
-appveyor = { repository = "bheisler/criterion.rs", id = "4255ads9ctpupcl2" }
 maintenance = { status = "looking-for-maintainer" }