diff --git a/.gitignore b/.gitignore
index f2c29d71347c9a61113949475bc7952fc820ece5..def9766a5f825cf9a9a26a314c00cd9dff668ace 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
-manpage-base-url.xsl
 po4a.conf
+po4a-stamp
+Gemfile.lock
 */*.txt
 */*.1
 */*.html
diff --git a/Makefile b/Makefile
index 914f6a4051dacc3a5c8c7cac448322e8da3b8b1c..d1878752e494daf9b377ad53fdc79453a1a92e83 100644
--- a/Makefile
+++ b/Makefile
@@ -53,4 +53,4 @@ $(foreach lang,$(ALL_LANGUAGES),$(foreach target, $(TARGETS), $(eval $(call MAKE
 mrproper: mrproper-local
 
 mrproper-local:
-	rm -f po4a-stamp
+	rm -f po4a-stamp po4a.conf