diff --git a/.gitignore b/.gitignore
index 95757f2..474022f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ css/code.css
 pgvv/
 all_chars.txt
 **/fonts/**/*-Subset.*
-woff2/
\ No newline at end of file
+woff2/
+**/serve_*
diff --git a/build.sh b/build.sh
index bca3aff..b637f49 100755
--- a/build.sh
+++ b/build.sh
@@ -10,8 +10,6 @@ if ! [[ -d pgvv/ ]]; then
 	deactivate
 fi
 
-find acl.cool/serve/ ytheleus.org/serve/ -type f -mmin +11 -delete
-
 function soup_config {
     rm soupault.toml
     cp ../soupault.toml soupault.toml
@@ -60,10 +58,20 @@ pygmentize -f html -S algol_nu | grep -v 'line-height' >css/code.css
 builtin pushd acl.cool
 soup_config
 soupault
+
+NEXT_DIR="serve_$(date +%s)"
+cp -a serve "$NEXT_DIR"
+ln -sfn "$NEXT_DIR" serve_
+
 popd
 builtin pushd ytheleus.org
 soup_config
 soupault
+
+NEXT_DIR="serve_$(date +%s)"
+cp -a serve "$NEXT_DIR"
+ln -sfn "$NEXT_DIR" serve_
+
 popd
 
 deactivate