diff --git a/.gitignore b/.gitignore
index b0e858f..bff5942 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,7 +11,9 @@ dist
 /pkg
 # Read everything in fixtures
 /spec/fixtures/*
-# Un-ignore hieradata
+# Un-ignore hieradata. The directory itself must be re-included first, otherwise
+# `/spec/fixtures/*` above excludes it and git cannot re-include files within it.
+!/spec/fixtures/hieradata/
 !/spec/fixtures/hieradata/*
 # Except this one, which is auto-generated
 /spec/fixtures/hieradata/hiera.yaml
@@ -25,6 +27,7 @@ dist
 /log
 /doc
 /Gemfile.lock
+/Gemfile.local
 
 ## AI coding assistant-specific configuration
 ## The standard is AGENTS.md
diff --git a/.puppet-lint.rc b/.puppet-lint.rc
index eb56769..16eb616 100644
--- a/.puppet-lint.rc
+++ b/.puppet-lint.rc
@@ -13,3 +13,6 @@
 # This is here because the code can't handle lookups in parameters and SIMP
 # modules have a LOT of those
 --no-parameter_order-check
+# puppet-lint-strict_indent-check 5.0.0 crashes on some valid manifests
+# (remove when the plugin is fixed upstream)
+--no-strict_indent-check