diff --git a/data/helpers.d/apt b/data/helpers.d/apt
index 45e03b3cb..3b4b199d0 100644
--- a/data/helpers.d/apt
+++ b/data/helpers.d/apt
@@ -436,7 +436,8 @@ ynh_install_extra_repo () {
     if [ -n "$key" ]
     then
         mkdir --parents "/etc/apt/trusted.gpg.d"
-        wget --quiet "$key" --output-document=- | gpg --dearmor | $wget_append /etc/apt/trusted.gpg.d/$name.gpg > /dev/null
+        # Timeout option is here to enforce the timeout on dns query and tcp connect (c.f. man wget)
+        wget --timeout 900 --quiet "$key" --output-document=- | gpg --dearmor | $wget_append /etc/apt/trusted.gpg.d/$name.gpg > /dev/null
     fi
 
     # Update the list of package with the new repo
diff --git a/data/helpers.d/utils b/data/helpers.d/utils
index bad157fe1..9c2f40618 100644
--- a/data/helpers.d/utils
+++ b/data/helpers.d/utils
@@ -144,7 +144,8 @@ ynh_setup_source () {
     then    # Use the local source file if it is present
         cp $local_src $src_filename
     else    # If not, download the source
-        local out=`wget --no-verbose --output-document=$src_filename $src_url 2>&1` || ynh_print_err --message="$out"
+        # Timeout option is here to enforce the timeout on dns query and tcp connect (c.f. man wget)
+        local out=`wget --timeout 900 --no-verbose --output-document=$src_filename $src_url 2>&1` || ynh_print_err --message="$out"
     fi
 
     # Check the control sum