diff --git a/lib/.cvsignore b/lib/.cvsignore
index 7951de5a..61c71b06 100644
--- a/lib/.cvsignore
+++ b/lib/.cvsignore
@@ -39,6 +39,8 @@ stdbool.h
 stdbool_.h
 stpcpy.c
 stpcpy.h
+strdup.c
+strdup.h
 stripslash.c
 strncasecmp.c
 strndup.c