diff --git a/package_versions.txt b/package_versions.txt
index 0b8a5a4..efe239c 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -29,7 +29,7 @@ docker-cli-20.10.16-r0
 docker-engine-20.10.16-r0
 encodings-1.0.5-r0
 eudev-libs-3.2.11_pre1-r0
-expat-2.4.7-r0
+expat-2.4.9-r0
 fftw-single-libs-3.3.10-r0
 flac-1.3.4-r0
 font-alias-1.0.4-r0