diff --git a/packaging/linux/package.sh b/packaging/linux/package.sh
index eb0b7d0a..8c58b33a 100755
--- a/packaging/linux/package.sh
+++ b/packaging/linux/package.sh
@@ -111,7 +111,7 @@ if has appimage; then
   if [ -z "$TOOL" ]; then
     TOOL="$CARGO_TARGET_DIR/appimagetool-$ARCH.AppImage"
     if [ ! -x "$TOOL" ]; then
-      curl -fsSL -o "$TOOL" "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-$ARCH.AppImage"
+      curl --proto '=https' -fsSL -o "$TOOL" "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-$ARCH.AppImage"
       chmod +x "$TOOL"
     fi
   fi