diff --git a/Library/Homebrew/os/mac/pkgconfig/10.13/zlib.pc b/Library/Homebrew/os/mac/pkgconfig/10.13/zlib.pc
index 6288921586..837bb70ac3 100644
--- a/Library/Homebrew/os/mac/pkgconfig/10.13/zlib.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/10.13/zlib.pc
@@ -6,7 +6,7 @@ includedir=${prefix}/include
 
 Name: zlib
 Description: zlib compression library
-Version: 1.2.8
+Version: 1.2.11
 
 Requires:
 Libs: -L${libdir} -L${sharedlibdir} -lz