diff --git a/scripts/install b/scripts/install
index eeab8bc..fe9142b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -59,9 +59,9 @@ ynh_script_progression --message="Building Yarn dependencies..."
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn config set network-timeout 300000
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --production --pure-lockfile
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn config set network-timeout 300000
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn install --production --pure-lockfile
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn cache clean
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 9b0875c..513490e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -122,9 +122,9 @@ ynh_script_progression --message="Building Yarn dependencies..."
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn config set network-timeout 300000
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --production --pure-lockfile
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn config set network-timeout 300000
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn install --production --pure-lockfile
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH COREPACK_ENABLE_DOWNLOAD_PROMPT=0 yarn cache clean
 popd
 
 #=================================================