diff --git a/ops/install.sh b/ops/install.sh
index 7707c0a..43cdac5 100644
--- a/ops/install.sh
+++ b/ops/install.sh
@@ -9,7 +9,11 @@ echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.co
 sudo apt-get install -y nodejs
 
 echo "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/openresty.list
-    
+
+sudo apt-get -y install --no-install-recommends wget gnupg ca-certificates #cert
+
+wget -O - https://openresty.org/package/pubkey.gpg | sudo gpg --dearmor -o /usr/share/keyrings/openresty.gpg #importing gpg key
+  
 echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/openresty.gpg] http://openresty.org/package/ubuntu $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/openresty.list > /dev/null
 
 sudo apt-get update