diff --git a/package_versions.txt b/package_versions.txt
index 5bb19b46..fbf30975 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -254,5 +254,5 @@ xset-1.2.4-r0
 xterm-371-r0
 xz-5.2.5-r1
 xz-libs-5.2.5-r1
-zlib-1.2.12-r0
+zlib-1.2.12-r1
 zstd-libs-1.5.0-r0