diff --git a/skarnet-builder/build-latest b/skarnet-builder/build-latest
index af9674e..1e09443 100755
--- a/skarnet-builder/build-latest
+++ b/skarnet-builder/build-latest
@@ -39,10 +39,10 @@ declare -A versions
 versions[make]=4.1
 versions[linux]=3.18.5
 versions[musl]=1.0.5
-versions[skalibs]=2.3.6.0
-versions[execline]=2.1.3.0
-versions[s6]=2.2.0.0
-versions[s6-portable-utils]=2.0.5.0
+versions[skalibs]=2.3.7.0
+versions[execline]=2.1.4.0
+versions[s6]=2.2.1.0
+versions[s6-portable-utils]=2.0.5.2
 versions[s6-linux-utils]=2.0.2.1
 versions[s6-dns]=2.0.0.4
 versions[s6-networking]=2.1.0.1