diff --git a/package_versions.txt b/package_versions.txt
index 95d868d..f5a4fd4 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -37,4 +37,4 @@ utmps-0.1.0.3-r0
 xz-5.2.5-r0
 xz-libs-5.2.5-r0
 yarn-1.22.17-r0
-zlib-1.2.11-r3
+zlib-1.2.12-r0