diff --git a/lychee.toml b/lychee.toml
index 7fd4af58..1f94bf74 100644
--- a/lychee.toml
+++ b/lychee.toml
@@ -23,6 +23,8 @@ accept = [999]
 
 # Exclude URLs and mail addresses from checking (supports regex)
 exclude = [
+  # stackoverflow returns 403 when accessed from GitHub Action
+  'stackoverflow\.com',
   # Ignore all URLs with '$' - BASH variable in URL
   '\$',
   # Ignore all URLs with '{ ... }' - BASH / Ansible variable in URL