diff --git a/.gitignore b/.gitignore
index 1d7ac9bca..7f577fc92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,10 +8,11 @@
 
 # Auto generated build files
 src/LOCATION
-src/external/zlib-1.2.8/configure.log
-src/external/zlib-1.2.8/Makefile
-src/external/zlib-1.2.8/zconf.h
-src/external/zlib-1.2.8/zlib.pc
+src/external/zlib-1.2.11/configure.log
+src/external/zlib-1.2.11/Makefile
+src/external/zlib-1.2.11/zconf.h
+src/external/zlib-1.2.11/zlib.pc
+src/external/zlib-1.2.11/zlib.3.pdf
 src/isbigendian.c
 src/analysisd/compiled_rules/compiled_rules.h
 etc/ossec.mc