diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 847e5b824..000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,147 +0,0 @@
-version: 2.1
-
-executors:
-  cargo-executor:
-    docker:
-      - image: rust:1
-    resource_class: large
-  cargo-audit-executor:
-    docker:
-      - image: rust:1
-    resource_class: small
-
-commands:
-  install_coverage_dependencies:
-    steps:
-      - run:
-          name: Install grcov and zip
-          command: |
-            apt-get update
-            apt-get install -y zip
-            cargo install --force grcov
-  print_version_info:
-    steps:
-      - run:
-          name: Version information
-          command: |
-            rustup --version
-            rustc --version
-            cargo --version
-  update_stable_toolchain:
-    steps:
-      - run:
-          name: Update toolchain
-          command: |
-            test -z "stable" || echo "stable" >rust-toolchain
-            rustup show active-toolchain
-  update_nightly_toolchain:
-    steps:
-      - run:
-          name: Update nightly toolchain
-          command: |
-            test -z "nightly" || echo "nightly" >rust-toolchain
-            rustup show active-toolchain
-  calculate_cargo_dependencies:
-    steps:
-      - run:
-          name: Calculate dependencies
-          command: test -e Cargo.lock || cargo generate-lockfile
-
-jobs:
-  format:
-    description: Check proper formatting
-    executor: cargo-executor
-    steps:
-      - checkout
-      - update_stable_toolchain
-      - print_version_info
-      - calculate_cargo_dependencies
-      - run:
-          name: Check formatting
-          command: |
-            if rustup component add rustfmt; then
-              cargo fmt --all -- --check
-            else
-              echo Skipping rustfmt
-            fi
-  clippy:
-    description: Lint using clippy
-    executor: cargo-executor
-    steps:
-      - checkout
-      - update_stable_toolchain
-      - print_version_info
-      - calculate_cargo_dependencies
-      - run:
-          name: Run clippy checks
-          command: |
-            if rustup component add clippy; then
-              cargo clippy --all --all-targets -- -Dwarnings -Drust-2018-idioms
-            else
-              echo Skipping clippy
-            fi
-  test-stable:
-    description: Run all tests using the stable toolchain
-    executor: cargo-executor
-    steps:
-      - checkout
-      - update_stable_toolchain
-      - print_version_info
-      - calculate_cargo_dependencies
-      - run:
-          name: Build all targets
-          command: cargo build --all --all-targets
-      - run:
-          name: Run all tests
-          command: cargo test --all
-  audit:
-    description: Audit for vulnerable dependencies
-    executor: cargo-audit-executor
-    steps:
-      - checkout
-      - update_stable_toolchain
-      - print_version_info
-      - run:
-          name: Install Cargo Audit
-          command: |
-            cargo install --force cargo-audit
-      - run:
-          name: Run Cargo Audit
-          command: |
-            cargo audit
-  test-nightly-coverage:
-    description: Collect and upload test coverage using the nighly toolchain
-    executor: cargo-executor
-    steps:
-      - checkout
-      - update_nightly_toolchain
-      - print_version_info
-      - install_coverage_dependencies
-      - calculate_cargo_dependencies
-      - run:
-          name: Run tests with coverage env
-          command: |
-            export CARGO_INCREMENTAL=0
-            export RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Zno-landing-pads"
-            cargo clean
-            cargo test --all --verbose
-      - run:
-          name: Collect and upload test coverage
-          command: |
-            # Note: this currently only matches gc files in crates named *tendermint*.
-            # This is something to keep in mind if we create crates that do not have tendermint in
-            # their name.
-            zip -0 ccov.zip `find . \( -name "*tendermint*.gc*" \) -print`
-            grcov ccov.zip -s . -t lcov --llvm --branch --ignore-not-existing --ignore "/*" -o lcov.info
-            bash <(curl -s https://codecov.io/bash) -f lcov.info
-            rm -f lcov.info
-            rm -f ccov.zip
-
-workflows:
-  commit-workflow:
-    jobs:
-      - format
-      - clippy
-      - test-stable
-      - test-nightly-coverage
-      - audit
\ No newline at end of file
diff --git a/.github/actions-rs/grcov.yml b/.github/actions-rs/grcov.yml
new file mode 100644
index 000000000..d70ee56d0
--- /dev/null
+++ b/.github/actions-rs/grcov.yml
@@ -0,0 +1,6 @@
+branch: true
+ignore-not-existing: true
+llvm: true
+output-type: lcov
+output-file: ./lcov.info
+prefix-dir: /home/user/build/
diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
new file mode 100644
index 000000000..8c208bf2b
--- /dev/null
+++ b/.github/workflows/audit.yml
@@ -0,0 +1,22 @@
+name: Audit-Check
+on:
+  push:
+    paths:
+      - "**/Cargo.toml"
+      - "**/Cargo.lock"
+    schedule:
+      - cron: "0 0 * * *"
+
+jobs:
+  security_audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Cache cargo bin
+        uses: actions/cache@v1
+        with:
+          path: ~/.cargo/bin
+          key: ${{ runner.os }}-cargo-audit
+      - uses: actions-rs/audit-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
new file mode 100644
index 000000000..292f15f85
--- /dev/null
+++ b/.github/workflows/rust.yml
@@ -0,0 +1,81 @@
+name: Rust
+on: [pull_request]
+jobs:
+  cleanup-runs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: rokroskar/workflow-run-cleanup-action@master
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+    if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"
+
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+  clippy_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+          override: true
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features
+
+  test-stable:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --all --all-targets
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all-features --no-fail-fast
+
+  test-nightly-coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clean
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all-features --no-fail-fast
+        env:
+          CARGO_INCREMENTAL: "0"
+          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Zno-landing-pads"
+      - uses: actions-rs/grcov@v0.1
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ${{ steps.coverage.outputs.report }}
+          yml: ./codecov.yml
+          fail_ci_if_error: true