diff --git a/.gitignore b/.gitignore
index 52b18a7c..392c008d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ bin/picrin
 src/lex.yy.c
 src/y.tab.c
 src/y.tab.h
+lib/libpicrin.so
diff --git a/lib/.gitkeep b/lib/.gitkeep
new file mode 100644
index 00000000..e69de29b