diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index e59ad50..fef9d76 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -19,12 +19,21 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
+
+      - name: Install stable Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy, llvm-tools
+
       - name: Generate test lcov coverage into coverage/ dir
         run: |
           mkdir -p coverage
-          /opt/cargo/bin/cargo llvm-cov --all --locked --lcov --output-path coverage/coverage.lcov
+          cargo llvm-cov --all --locked --lcov --output-path coverage/coverage.lcov
           # this uses the result of the previous run to generate a text summary
-          /opt/cargo/bin/cargo llvm-cov --no-run --locked
+          cargo llvm-cov --no-run --locked
       - name: Upload reports to codecov.io
         uses: codecov/codecov-action@v1
         with:
diff --git a/.github/workflows/docker_test.yml b/.github/workflows/docker_test.yml
index 6153105..268a782 100644
--- a/.github/workflows/docker_test.yml
+++ b/.github/workflows/docker_test.yml
@@ -21,7 +21,14 @@ jobs:
           rustup toolchain install stable --component rustfmt,clippy
           rustup default stable
 
-      - name: Cargo Make CI
-        run: |
-          export PATH="${HOME}/.cargo/bin:${PATH}"
-          cargo make ci
+      - name: Install cargo-make
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: --debug cargo-make
+
+      - name: Install deps
+        uses: actions-rs/cargo@v1
+        with:
+          command: make
+          args: ci
diff --git a/.github/workflows/linux_test.yml b/.github/workflows/linux_test.yml
index f8cbca2..3c2ed94 100644
--- a/.github/workflows/linux_test.yml
+++ b/.github/workflows/linux_test.yml
@@ -8,7 +8,7 @@ jobs:
   test:
     strategy:
       matrix:
-        os: ["ubuntu-18.04", "ubuntu-20.04", "ubuntu-22.04", "ubuntu-24.04"]
+        os: ["ubuntu-20.04", "ubuntu-22.04", "ubuntu-24.04"]
     runs-on: "${{ matrix.os }}"
     steps:
       - name: Checkout sources