diff --git a/package_versions.txt b/package_versions.txt
index 2855fe2..8914d91 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -40,4 +40,4 @@ unzip-6.0-r9
 utmps-0.1.0.3-r0
 xz-5.2.5-r1
 xz-libs-5.2.5-r1
-zlib-1.2.12-r1
+zlib-1.2.12-r2