diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index 6b628f7..0000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: ['*']
-  pull_request:
-    branches: ['*']
-
-jobs:
-  test:
-    strategy:
-      fail-fast: false
-      matrix:
-        pg: [14, 13, 12, 11, 10, 9.6, 9.5]
-    name: PostgreSQL ${{ matrix.pg }}
-    runs-on: ubuntu-latest
-    container: zilder/pg-ext-check
-    steps:
-      - run: pg-setup ${{ matrix.pg }}
-      - run: apt-get -y install libicu-dev
-      - uses: actions/checkout@v2
-      - run: build-check
-
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..aca8b0d
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        pg: [15, 14, 13, 12, 11, 10]
+    name: 🐘 PostgreSQL ${{ matrix.pg }}
+    runs-on: ubuntu-latest
+    container: pgxn/pgxn-tools
+    steps:
+      - run: pg-start ${{ matrix.pg }}
+      - uses: actions/checkout@v2
+      - run: pg-build-test
+
diff --git a/README.md b/README.md
index 8d225bd..ce34da1 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
-## adevens ltree implementation
-[![Build Status](https://travis-ci.org/adeven/ltree.png?branch=master)](https://travis-ci.org/adeven/ltree)
+[![CI](https://github.com/adjust/wltree/actions/workflows/main.yml/badge.svg)](https://github.com/adjust/wltree/actions/workflows/main.yml)
+
+## adjust ltree implementation
 
 This is adevens patched version of Postgres ltree module.