diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index da33022..fe468c0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,6 +10,7 @@ exclude:
   config/depcomp|
   config/compile|
   config/missing|
+  aclocal.m4|
   __NONE__)$
 repos:
   - repo: https://github.com/executablebooks/mdformat