diff --git a/.drone.yml b/.drone.yml
deleted file mode 100644
index 4d63d317..00000000
--- a/.drone.yml
+++ /dev/null
@@ -1,171 +0,0 @@
-kind: pipeline
-type: docker
-name: lint
-
-steps:
-  - name: lint
-    image: golang:1.17
-    commands:
-      - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.47.2
-      - golangci-lint run
----
-kind: pipeline
-type: exec
-name: testing
-
-platform:
-  os: linux
-  arch: amd64
-
-workspace:
-  path: /tmp/drone
-
-steps:
-  - name: Build bbi
-    commands:
-      - mkdir -p /tmp/${DRONE_BUILD_NUMBER} ; git rev-parse HEAD > /tmp/${DRONE_BUILD_NUMBER}/bbi_hash
-      - # this is a hack around the current design; will clean up after passing a test or two
-      - go build -o bbi cmd/bbi/main.go
-      - ./bbi version
-  - name: Copy commit hashes to s3
-    commands:
-      - printf "[\n" > /tmp/${DRONE_BUILD_NUMBER}/commits.json
-      - printf "  {\"repo\":\"metrumresearchgroup/bbi\", \"commit\":\"$(cat /tmp/${DRONE_BUILD_NUMBER}/bbi_hash)\"},\n" >> /tmp/${DRONE_BUILD_NUMBER}/commits.json
-      - printf "]\n" >> /tmp/${DRONE_BUILD_NUMBER}/commits.json
-      - aws s3 cp /tmp/${DRONE_BUILD_NUMBER}/commits.json s3://mrg-validation/bbi/${DRONE_BUILD_NUMBER}/commits.json
-  - name: Copy summary info for mrgvalidate to s3
-    commands:
-      - |
-        cat > /tmp/${DRONE_BUILD_NUMBER}/summary.json <<EOF
-        {
-          "date": "$(date +"%D %T")",
-          "executor": "Drone CI",
-          "info": {
-            "commit": "$(git rev-parse HEAD)",
-            "drone_build_number": "$DRONE_BUILD_NUMBER"
-          }
-        }
-        EOF
-      - aws s3 cp /tmp/${DRONE_BUILD_NUMBER}/summary.json s3://mrg-validation/bbi/${DRONE_BUILD_NUMBER}/summary.json
-  - name: Unit Test
-    commands:
-      - if [ ! -d /data/${DRONE_BUILD_NUMBER}/apps ] ; then mkdir -p /data/${DRONE_BUILD_NUMBER}/apps; chmod -R 0755 /data/${DRONE_BUILD_NUMBER}/apps; cp bbi /data/${DRONE_BUILD_NUMBER}/apps; else cp bbi /data/${DRONE_BUILD_NUMBER}/apps; fi
-      - export PATH=/data/${DRONE_BUILD_NUMBER}/apps:$PATH
-      - export ROOT_EXECUTION_DIR=/data/${DRONE_BUILD_NUMBER}
-      - export BBI_GRID_NAME_PREFIX="drone_${DRONE_BUILD_NUMBER}"
-      - bbi init --dir /opt/NONMEM
-      - rm -f /data/${DRONE_BUILD_NUMBER}/test_output.json
-      - go list ./... | grep -v integration | xargs go test --json | tee /data/${DRONE_BUILD_NUMBER}/test_output.json --append
-      - aws s3 cp /data/${DRONE_BUILD_NUMBER}/test_output.json s3://mrg-validation/bbi/${DRONE_BUILD_NUMBER}/results.json
-    environment:
-      LOCAL: true
-      MPIEXEC_PATH: /usr/bin/mpiexec
-      NMVERSION_NMQUAL: nm74gf
-      NMVERSION: nm75
-      NONMEMROOT: /opt/NONMEM
-      PATH: /usr/local/texlive/2019/bin/x86_64-linux:/opt/sge/bin:/opt/sge/bin/lx-amd64:/usr/bin:/opt/amazon/openmpi/bin:/opt/amazon/efa/bin/:/usr/local/texlive/2019/bin/x86_64-linux:/opt/sge/bin:/opt/sge/bin/lx-amd64:/usr/bin:/opt/amazon/openmpi/bin:/opt/amazon/efa/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
-      POST_EXECUTION: true
-      SGE: true
-      SGE_ARCH: lx-amd64
-      SGE_CELL: default
-      SGE_CLUSTER_NAME: p6444
-      SGE_EXECD_PORT: 6445
-      SGE_QMASTER_PORT: 6444
-      SGE_ROOT: /opt/sge
-    volumes:
-      - name: nonmem
-        path: /opt/NONMEM
-      - name: tmp
-        path: /tmp
-      - name: data
-        path: /data
-  - name: Integration Test
-    commands:
-      - if [ ! -d /data/${DRONE_BUILD_NUMBER}/apps ] ; then mkdir -p /data/${DRONE_BUILD_NUMBER}/apps; chmod -R 0755 /data/${DRONE_BUILD_NUMBER}/apps; cp bbi /data/${DRONE_BUILD_NUMBER}/apps; else cp bbi /data/${DRONE_BUILD_NUMBER}/apps; fi
-      - export PATH=/data/${DRONE_BUILD_NUMBER}/apps:$PATH
-      - cd integration
-      - export ROOT_EXECUTION_DIR=/data/${DRONE_BUILD_NUMBER}
-      - export BBI_GRID_NAME_PREFIX="drone_${DRONE_BUILD_NUMBER}"
-      - bbi init --dir /opt/NONMEM
-      - go test ./... -v --json -timeout 30m | tee /data/${DRONE_BUILD_NUMBER}/test_output.json --append
-      - aws s3 cp /data/${DRONE_BUILD_NUMBER}/test_output.json s3://mrg-validation/bbi/${DRONE_BUILD_NUMBER}/results.json
-      - chmod +x failure_detector.sh
-      - ./failure_detector.sh /data/${DRONE_BUILD_NUMBER}/test_output.json
-      - rm -rf /data/${DRONE_BUILD_NUMBER}
-    environment:
-      LOCAL: true
-      MPIEXEC_PATH: /usr/bin/mpiexec
-      NMVERSION_NMQUAL: nm74gf
-      NMVERSION: nm75
-      NONMEMROOT: /opt/NONMEM
-      PATH: /usr/local/texlive/2019/bin/x86_64-linux:/opt/sge/bin:/opt/sge/bin/lx-amd64:/usr/bin:/opt/amazon/openmpi/bin:/opt/amazon/efa/bin/:/usr/local/texlive/2019/bin/x86_64-linux:/opt/sge/bin:/opt/sge/bin/lx-amd64:/usr/bin:/opt/amazon/openmpi/bin:/opt/amazon/efa/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
-      POST_EXECUTION: true
-      SGE: true
-      SGE_ARCH: lx-amd64
-      SGE_CELL: default
-      SGE_CLUSTER_NAME: p6444
-      SGE_EXECD_PORT: 6445
-      SGE_QMASTER_PORT: 6444
-      SGE_ROOT: /opt/sge
-    volumes:
-      - name: nonmem
-        path: /opt/NONMEM
-      - name: tmp
-        path: /tmp
-      - name: data
-        path: /data
-
-
-
-  - name: Cleanup on failure
-    commands:
-      - rm -rf /data/${DRONE_BUILD_NUMBER}
-    volumes:
-      - name: data
-        path: /data
-    when:
-      status:
-        - failure
-
-volumes:
-  - name: nonmem
-    host:
-      path: /opt/NONMEM
-  - name: tmp
-    host:
-      path: /tmp
-  - name: data
-    host:
-      path: /data
-
----
-kind: pipeline
-type: docker
-name: goreleaser
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-  - name: goreleaser
-    image: goreleaser/goreleaser
-    commands:
-      - git config --global user.email "drone@metrumrg.com"
-      - git config --global user.name "Drony"
-      - git fetch --tags
-      - cd cmd/bbi
-      - goreleaser --rm-dist
-    environment:
-      GITHUB_TOKEN:
-        from_secret: GITHUB_TOKEN
-      VERSION: ${DRONE_TAG}
-
-trigger:
-  event:
-    - tag
-
-depends_on:
-  - testing
-
-...
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 00000000..41627257
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,25 @@
+name: lint
+on:
+  push:
+    branches:
+      - main
+      - 'scratch/**'
+  pull_request:
+
+# Note: this doesn't use golangci/golangci-lint-action to work around
+# an error triggered by us pinning to a golangci-lint version built
+# with an older Go.  Revisit when moving from golangci-lint v1.47.2.
+#
+# https://github.com/golangci/golangci-lint-action/issues/442#issuecomment-1203786890
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: Install golangci-lint
+        run: go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.47.2
+      - name: Run golangci-lint
+        run: golangci-lint run --version --verbose --out-format=github-actions
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
new file mode 100644
index 00000000..96ae85ba
--- /dev/null
+++ b/.github/workflows/main.yaml
@@ -0,0 +1,67 @@
+name: CI
+on:
+  push:
+    branches:
+      - main
+      - 'scratch/**'
+    tags:
+      - 'v*'
+  pull_request:
+
+jobs:
+  check:
+    runs-on: ${{ matrix.config.os }}
+    name: ${{ matrix.config.os }} (${{ matrix.config.go }})
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - os: ubuntu-20.04
+            go: 1.21.x
+          - os: ubuntu-latest
+            go: stable
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.config.go }}
+      - name: Unit tests
+        shell: bash
+        run: go list ./... | grep -v integration | xargs go test
+      - name: Build bbi
+        shell: bash
+        run: |
+          version=$(git rev-parse 'HEAD^{tree}')
+          bin=$(mktemp -d)
+          go build -o "$bin/bbi" \
+            -ldflags "-X github.com/metrumresearchgroup/bbi/cmd.VERSION=$version" \
+            cmd/bbi/main.go
+          echo "$bin" >>$GITHUB_PATH
+      - name: Integration tests (postrun)
+        shell: bash
+        run: |
+          bbi version
+          go test ./integration/postrun
+  release:
+    if: github.ref_type == 'tag'
+    name: Make release
+    needs: check
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser
+          version: '~> v2'
+          args: release --clean
+          workdir: cmd/bbi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}