diff --git a/build_site.sh b/build_site.sh
index ee9d11d8..0a09d8ff 100755
--- a/build_site.sh
+++ b/build_site.sh
@@ -37,7 +37,8 @@ buildPlugin()
     zipfile=$(realpath "$outdir/$plugin_id.zip")
     
     pushd "$dir" > /dev/null
-    zip -r "$zipfile" . > /dev/null
+    find . -type f -exec touch -d "$updated" {} +
+    grep -rl . | sort | zip -0 -r -oX "$zipfile" -@ > /dev/null
     popd > /dev/null
 
     name=$(grep "^name:" "$f" | head -n 1 | cut -d' ' -f2- | sed -e 's/\r//' -e 's/^"\(.*\)"$/\1/')
@@ -67,9 +68,9 @@ buildPlugin()
     echo "" >> "$outdir"/index.yml
 }
 
-find ./plugins -mindepth 1 -name *.yml | while read file; do
+find ./plugins -mindepth 1 -name *.yml | sort | while read file; do
     buildPlugin "$file"
 done
-find ./themes -mindepth 1 -name *.yml | while read file; do
+find ./themes -mindepth 1 -name *.yml | sort | while read file; do
     buildPlugin "$file"
 done