diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 91f40e0..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-version: 2.1
-
-orbs:
-  kaocha: lambdaisland/kaocha@0.0.3
-  clojure: lambdaisland/clojure@0.0.8
-
-commands:
-  checkout_and_run:
-    parameters:
-      clojure_version:
-        type: string
-    steps:
-      - checkout
-      - clojure/with_cache:
-          cache_version: << parameters.clojure_version >>
-          steps:
-            - run: clojure -e '(println (System/getProperty "java.runtime.name") (System/getProperty "java.runtime.version") "\nClojure" (clojure-version))'
-            # - kaocha/execute:
-            #     args: "unit --reporter documentation --plugin cloverage --codecov"
-            #     clojure_version: << parameters.clojure_version >>
-            - kaocha/execute:
-                args: "integration --reporter documentation --plugin cloverage --codecov"
-                clojure_version: << parameters.clojure_version >>
-      # - kaocha/upload_codecov:
-      #     flags: unit
-      - kaocha/upload_codecov:
-          flags: integration
-          file: target/coverage/integration*/codecov.json
-
-jobs:
-  test:
-    parameters:
-      os:
-        type: executor
-      clojure_version:
-        type: string
-    executor: << parameters.os >>
-    steps:
-      - checkout_and_run:
-          clojure_version: << parameters.clojure_version >>
-
-
-workflows:
-  kaocha_test:
-    jobs:
-      - test:
-          matrix:
-            parameters:
-              os: [clojure/openjdk19, clojure/openjdk17, clojure/openjdk15, clojure/openjdk11, clojure/openjdk8]
-              clojure_version: ["1.10.3", "1.11.1"]
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..ee6452c
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,94 @@
+name: Continuous Delivery
+
+on: push
+
+jobs:
+  Kaocha:
+    runs-on: ${{matrix.sys.os}}
+
+    strategy:
+      matrix:
+        sys:
+          # - { os: macos-latest, shell: bash }
+          - { os: ubuntu-latest, shell: bash }
+          # - { os: windows-latest, shell: powershell }
+
+    defaults:
+      run:
+        shell: ${{matrix.sys.shell}}
+
+    steps:
+      - uses: actions/checkout@v2
+ 
+      - name: 🔧 Install java
+        uses: actions/setup-java@v1
+        with:
+          java-version: '25'
+
+      - name: 🔧 Install clojure
+        uses: DeLaGuardo/setup-clojure@master
+        with:
+          cli: '1.12.3.1577'
+
+      - name: 🗝 maven cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.m2
+            ~/.gitlibs
+          key: ${{ runner.os }}-maven-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: 🧪 Run tests
+        run: bin/kaocha
+
+  Codecov:
+    runs-on: ${{matrix.sys.os}}
+
+    strategy:
+      matrix:
+        sys:
+          # - { os: macos-latest, shell: bash }
+          - { os: ubuntu-latest, shell: bash }
+          # - { os: windows-latest, shell: powershell }
+
+    defaults:
+      run:
+        shell: ${{matrix.sys.shell}}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: 🔧 Install java
+        uses: actions/setup-java@v1
+        with:
+          java-version: '25'
+
+      - name: 🔧 Install clojure
+        uses: DeLaGuardo/setup-clojure@master
+        with:
+          cli: '1.12.3.1577'
+
+      - name: 🗝 maven cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.m2
+            ~/.gitlibs
+          key: ${{ runner.os }}-maven-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: 🧪 Generate codecov
+        run: bin/kaocha --plugin cloverage --codecov
+
+      - name: Upload to codecov
+        uses: codecov/codecov-action@v5
+        with:
+          #fail_ci_if_error: true
+          name: codecov-report
+          files: target/coverage/codecov.json
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: lambdaisland/kaocha-cljs
+          verbose: true
diff --git a/.gitignore b/.gitignore
index 32c86a1..c6f9ff4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,5 @@ nashorn_code_cache
 out
 .store
 .temp
+.lsp/
+.clj-kondo/
diff --git a/README.md b/README.md
index e03bff1..87740c0 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # kaocha-cljs
 
 <!-- badges -->
-[![CircleCI](https://circleci.com/gh/com.lambdaisland/kaocha-cljs.svg?style=svg)](https://circleci.com/gh/com.lambdaisland/kaocha-cljs) [![cljdoc badge](https://cljdoc.org/badge/com.lambdaisland/kaocha-cljs)](https://cljdoc.org/d/com.lambdaisland/kaocha-cljs) [![Clojars Project](https://img.shields.io/clojars/v/com.lambdaisland/kaocha-cljs.svg)](https://clojars.org/com.lambdaisland/kaocha-cljs)
+[![GitHub Actions](https://github.com/com.lambdaisland/kaocha-cljs/actions/workflows/main.yml/badge.svg)](https://github.com/com.lambdaisland/kaocha-cljs/actions/workflows/main.yml) [![cljdoc badge](https://cljdoc.org/badge/com.lambdaisland/kaocha-cljs)](https://cljdoc.org/d/com.lambdaisland/kaocha-cljs) [![Clojars Project](https://img.shields.io/clojars/v/com.lambdaisland/kaocha-cljs.svg)](https://clojars.org/com.lambdaisland/kaocha-cljs)
 <!-- /badges -->
 
 ClojureScript support for Kaocha
diff --git a/bb.edn b/bb.edn
index 44102d0..168e9df 100644
--- a/bb.edn
+++ b/bb.edn
@@ -1,3 +1,3 @@
 {:deps
  {lambdaisland/open-source {:git/url "https://github.com/lambdaisland/open-source"
-                            :git/sha "8c77e20f6188a30cfcc50c64afb86fa89a9dcb47"}}}
+                            :git/sha "e0e234aea52aeafac6ebb06c4a5149d83977e6a0"}}}