Dockerfile: fix typo 'update' -> 'upgrade'

diff --git a/Dockerfile b/Dockerfile
index e5e46b6cacb2f4b16dee740c735692109895ee22..c501f34691cafe0ef4f3d1cfd1dff7f3542c7218 100644 (file)
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ ENV OBS_REPO=knot-resolver-latest
 ENV DISTROTEST_REPO=Debian_11
 
 RUN apt-get update -qq && \
-       apt-get update -qq
+       apt-get upgrade -qq
 
 COPY --from=build /source/pkg/pkgs/debian-11 /pkg