diff --git a/.gitignore b/.gitignore
index c995049..789a07a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 **/serve/
 **/soupault.toml
 css/code.css
+pgvv/
diff --git a/build.sh b/build.sh
index 570bb4a..1a91192 100755
--- a/build.sh
+++ b/build.sh
@@ -8,16 +8,18 @@ function soup_config {
     cat soupault.toml.frag* >> soupault.toml
 }
 
+source ./pgvv/bin/activate
+
 rm css/code.css
 pygmentize -f html -S algol_nu | grep -v 'line-height' > css/code.css
 
 builtin pushd acl.cool
-#rm -rf serve/
 soup_config
 soupault
 popd
 builtin pushd ytheleus.org
-#rm -rf serve/
 soup_config
 soupault
 popd
+
+deactivate
diff --git a/deps.sh b/deps.sh
index 46bdbc2..92b64a6 100755
--- a/deps.sh
+++ b/deps.sh
@@ -1,11 +1,11 @@
 #!/bin/sh
 
-which dnf 2> /dev/null
-if [[ $? == 0 ]]; then
-	sudo dnf install -y python3-pygments
-else
-	echo 'failed to install pygments with dnf' >&2
-	exit 1
+if ! [[ -d pgvv/ ]]; then
+	python3 -m venv pgvv
+	source ./pgvv/bin/activate
+	python3 -m pip install --upgrade pip
+	pip install --upgrade pygments
+	deactivate
 fi
 
 which opam 2> /dev/null