diff --git a/devel-docs/libgimpwidgets/tmpl/.gitignore b/devel-docs/libgimpwidgets/tmpl/.gitignore
index 1687d0bfc2..49e95d95af 100644
--- a/devel-docs/libgimpwidgets/tmpl/.gitignore
+++ b/devel-docs/libgimpwidgets/tmpl/.gitignore
@@ -1,5 +1,6 @@
 /libgimpwidgets-unused.sgml
 /*.bak
+/gimp3migration.sgml
 /gimpbrowser.sgml
 /gimpbutton.sgml
 /gimpcairo-utils.sgml