diff --git a/.github/workflows/code_coverage.yml b/.github/workflows/code_coverage.yml
index 09563dc82..5e650459d 100644
--- a/.github/workflows/code_coverage.yml
+++ b/.github/workflows/code_coverage.yml
@@ -3,35 +3,53 @@ on: [push]
 name: Code Coverage
 
 jobs:
-
   Codecov:
     name: Code Coverage
     runs-on: ubuntu-latest
     env:
-      CARGO_INCREMENTAL: '0'
-      RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off'
-      RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off'
+      RUSTFLAGS: "-Cinstrument-coverage"
+      RUSTDOCFLAGS: "-Cinstrument-coverage"
+      LLVM_PROFILE_FILE: "report-%p-%m.profraw"
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Install lcov tools
+        run: sudo apt-get install lcov -y
       - name: Install rustup
         run: curl https://sh.rustup.rs -sSf | sh -s -- -y
       - name: Set default toolchain
         run: rustup default nightly
       - name: Set profile
         run: rustup set profile minimal
+      - name: Add llvm tools
+        run: rustup component add llvm-tools-preview
       - name: Update toolchain
         run: rustup update
+      - name: Cache cargo
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Install grcov
+        run: if [[ ! -e ~/.cargo/bin/grcov ]]; then cargo install grcov; fi
       - name: Test
-        run: cargo test --features all-keys,compiler,esplora,ureq,compact_filters --no-default-features
-                    
-      - id: coverage
-        name: Generate coverage
-        uses: actions-rs/grcov@v0.1.5
+        run: cargo test --features default,minimal,all-keys,compact_filters,key-value-db,compiler,sqlite,sqlite-bundled,test-electrum,verify,test-rpc
+      - name: Run grcov
+        run: mkdir coverage; grcov . --binary-path ./target/debug/ -s . -t lcov --branch --ignore-not-existing --ignore '/*' -o ./coverage/lcov.info
+      - name: Generate HTML coverage report
+        run: genhtml -o coverage-report.html ./coverage/lcov.info
 
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2
+      - name: Coveralls upload
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
         with:
-          file: ${{ steps.coverage.outputs.report }}
-          directory: ./coverage/reports/
+          name: coverage-report
+          path: coverage-report.html
diff --git a/README.md b/README.md
index 1bfa1b6c8..02a55604d 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
     <a href="https://crates.io/crates/bdk"><img alt="Crate Info" src="https://img.shields.io/crates/v/bdk.svg"/></a>
     <a href="https://github.com/bitcoindevkit/bdk/blob/master/LICENSE"><img alt="MIT or Apache-2.0 Licensed" src="https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg"/></a>
     <a href="https://github.com/bitcoindevkit/bdk/actions?query=workflow%3ACI"><img alt="CI Status" src="https://github.com/bitcoindevkit/bdk/workflows/CI/badge.svg"></a>
-    <a href="https://codecov.io/gh/bitcoindevkit/bdk"><img src="https://codecov.io/gh/bitcoindevkit/bdk/branch/master/graph/badge.svg"/></a>
+    <a href="https://coveralls.io/github/bitcoindevkit/bdk?branch=master"><img src="https://coveralls.io/repos/github/bitcoindevkit/bdk/badge.svg?branch=master"/></a>
     <a href="https://docs.rs/bdk"><img alt="API Docs" src="https://img.shields.io/badge/docs.rs-bdk-green"/></a>
     <a href="https://blog.rust-lang.org/2021/11/01/Rust-1.56.1.html"><img alt="Rustc Version 1.56.1+" src="https://img.shields.io/badge/rustc-1.56.1%2B-lightgrey.svg"/></a>
     <a href="https://discord.gg/d7NkDKm"><img alt="Chat on Discord" src="https://img.shields.io/discord/753336465005608961?logo=discord"></a>
diff --git a/codecov.yaml b/codecov.yaml
deleted file mode 100644
index 062eabbd7..000000000
--- a/codecov.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-coverage:
-  status:
-    project:
-      default:
-        target: auto
-        threshold: 1%
-        base: auto
-        informational: false
-    patch:
-      default:
-        target: auto
-        threshold: 100%
-        base: auto
\ No newline at end of file