diff --git a/system/.env b/system/.env
index eeedbfc..3219be1 100644
--- a/system/.env
+++ b/system/.env
@@ -45,7 +45,9 @@ export __GL_THREADED_OPTIMIZATIONS=1
 export __GL_SYNC_TO_VBLANK=0
 export __GL_YIELD=NOTHING
 
-# npm
+# Node.js
+NODE_EXTRA_CA_CERTS="$(mkcert -CAROOT)/rootCA.pem"
+export NODE_EXTRA_CA_CERTS
 export npm_config_prefix="$HOME/.node_modules"
 
 # Go