diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index daa8895..276e466 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,19 +1,19 @@
 name: Build
 
 on:
-  push:
-    branches:
-      - master
-    tags:
-      - v*
+    push:
+        branches:
+            - master
+        tags:
+            - 'v*'
 
-  pull_request:
+    pull_request:
 
 jobs:
     tests:
         uses: janpecha/actions/.github/workflows/nette-tester-library.yml@master
         with:
-            phpVersions: '["5.6", "7.0", "7.1", "7.2", "7.3", "7.4", "8.0", "8.1", "8.2"]'
+            phpVersions: '["5.6", "7.0", "7.1", "7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]'
             lowestDependencies: true
 
     coding-style: