diff --git a/.gitignore b/.gitignore
index 4445544..c3790af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,13 @@
 /03-documentation/library
 /04-outputs
 
+# Elsevier journal target:
+# Ignore bibliography style, spl (for natbib?) and latex class
+# since they don't get deleted after compilation
+/*.spl
+/*.bst
+/*.cls
+
 # Created by https://www.toptal.com/developers/gitignore/api/-f,python,linux,vim,quarto,markdown,jupyternotebooks
 # Edit at https://www.toptal.com/developers/gitignore?templates=-f,python,linux,vim,quarto,markdown,jupyternotebooks