diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index be8756fe..bf70beb2 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -17,33 +17,24 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Set default toolchain
-        run: rustup default nightly
-
-      - name: Set profile
-        run: rustup set profile minimal
-
-      - name: Install grcov
-        run: cargo install grcov --force --version 0.8.2
-
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      
       - name: Install dependencies on macOS
         if: matrix.os == 'macos-latest'
         run: brew install automake libtool zeromq
 
-      - name: Run cargo test
-        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'
-        run: cargo test --features=integration-test -- --nocapture
+      - name: Install cargo-tarpaulin
+        run: cargo install cargo-tarpaulin
 
-      - id: coverage
-        name: Generate coverage
-        uses: actions-rs/grcov@v0.1.5
+      - name: Run cargo-tarpaulin
+        run: cargo tarpaulin --timeout 1900 --out Xml --output-dir "./coverage/reports/" --features integration-test -- --nocapture
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          file: ${{ steps.coverage.outputs.report }}
-          directory: ./coverage/reports/
+          file: ./coverage/reports/cobertura.xml
diff --git a/codecov.yaml b/codecov.yaml
index 062eabbd..83d545b8 100644
--- a/codecov.yaml
+++ b/codecov.yaml
@@ -3,7 +3,7 @@ coverage:
     project:
       default:
         target: auto
-        threshold: 1%
+        threshold: 10%
         base: auto
         informational: false
     patch:
diff --git a/src/wallet/fidelity.rs b/src/wallet/fidelity.rs
index 6b4a27b4..87baf065 100644
--- a/src/wallet/fidelity.rs
+++ b/src/wallet/fidelity.rs
@@ -263,7 +263,7 @@ impl Wallet {
                     (info.height, info.time as u64)
                 };
                 // Estimated locktime from block height = [current-time + (maturity-height - block-count) * 10 * 60] sec
-                tip_time + (((blocks.to_consensus_u32() - (tip_height as u32)) * 10 * 60) as u64)
+                tip_time + ((blocks.to_consensus_u32() as u64 - tip_height as u64) * 10 * 60)
             }
             LockTime::Seconds(sec) => sec.to_consensus_u32() as u64,
         };