diff --git a/.clang-format b/.clang-format
index ffb1487..024d10a 100644
--- a/.clang-format
+++ b/.clang-format
@@ -16,16 +16,14 @@ EmptyLineBeforeAccessModifier: Never
 FixNamespaceComments: false
 IncludeBlocks: Regroup
 IncludeCategories:
-  - Regex: "^<[a-z]*>"
+  - Regex: "<[a-z]*>"
     Priority: 1
-  - Regex: "^<.*/.*>"
+  - Regex: "<catch2\/.*>"
     Priority: 2
-  - Regex: '^<.*\.hpp>'
+  - Regex: "<aoc.*\/.*>"
     Priority: 3
-  - Regex: '^<.*\.h>'
-    Priority: 4
   - Regex: ".*"
-    Priority: 5
+    Priority: 4
 IndentCaseLabels: true
 IndentPPDirectives: BeforeHash
 IndentWidth: 4