diff --git a/package_versions.txt b/package_versions.txt
index 738cd2d..275a77a 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -56,5 +56,5 @@ unzip-6.0-r9
 utmps-0.1.0.3-r0
 xz-5.2.5-r0
 xz-libs-5.2.5-r0
-zlib-1.2.11-r3
+zlib-1.2.12-r0
 zstd-libs-1.5.0-r0