diff --git a/package_versions.txt b/package_versions.txt
index b84b64a..a08cbf4 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -41,7 +41,7 @@ libidn-1.35-r0
 libjpeg-turbo-1.5.3-r4
 libogg-1.3.3-r2
 libpciaccess-0.14-r0
-libpng-1.6.35-r0
+libpng-1.6.37-r0
 libssh2-1.8.2-r0
 libssl1.1-1.1.1b-r1
 libstdc++-8.3.0-r0
@@ -196,7 +196,7 @@ perl-xml-treepp-0.43-r1
 perl-xml-twig-3.52-r1
 perl-xml-writer-0.625-r2
 perl-yaml-syck-1.31-r0
-python2-2.7.15-r3
+python2-2.7.16-r1
 readline-7.0.003-r1
 scanelf-1.2.3-r0
 sdl2-2.0.9-r0