diff --git a/dnshook.sh b/dnshook.sh
index beb092f..1d4c442 100755
--- a/dnshook.sh
+++ b/dnshook.sh
@@ -11,5 +11,4 @@ service burpcollaborator stop &>/dev/null
 python3 -m dnslib.fixedresolver -a $1 --zonefile /tmp/collab.zonefile &>/dev/null &disown
 
 # Sleep to avoid DNS propagation issues.
-sleep 10
-
+sleep 15
diff --git a/install.sh b/install.sh
index 32c1d38..22374e8 100755
--- a/install.sh
+++ b/install.sh
@@ -74,7 +74,7 @@ snap install --classic certbot
 snap refresh certbot
 ln -s /snap/bin/certbot /usr/bin/certbot
 
-apt update -y && apt install -y python3 python3-pip && pip3 install dnslib
+apt update -y && apt install -y python3 python3-dnslib
 
 mkdir -p /usr/local/collaborator/
 cp "$SRC_PATH/dnshook.sh" /usr/local/collaborator/