diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 604bb36..990e3f4 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,7 +1,10 @@
 name: CI
 on:
-  - push
-  - pull_request
+  push:
+    branches: "master"
+    tags: ["*"]
+  pull_request:
+  release:
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
@@ -11,8 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.5'
-          - '1.6'
+          - '1'
           - 'nightly'
         os:
           - ubuntu-latest