diff --git a/package_versions.txt b/package_versions.txt
index 8d776ac..f05fa6b 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -4,10 +4,10 @@ apk-tools-2.12.7-r3
 bash-5.1.8-r0
 brotli-libs-1.0.9-r5
 busybox-1.34.1-r3
-ca-certificates-20191127-r7
+ca-certificates-20211220-r0
 ca-certificates-bundle-20191127-r7
 coreutils-9.0-r2
-expat-2.4.1-r0
+expat-2.4.3-r0
 freetype-2.11.0-r0
 gdbm-1.22-r0
 jansson-2.14-r0