diff --git a/.hadolint.yaml b/.hadolint.yaml
index 610e431..4442bd4 100644
--- a/.hadolint.yaml
+++ b/.hadolint.yaml
@@ -1,3 +1,4 @@
 ignored:
 - DL3006
-- DL3018
+- DL3008
+- DL3003
diff --git a/Dockerfile b/Dockerfile
index d02e671..7584512 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,10 @@ FROM ${FROM} as builder
 
 RUN export DEBIAN_FRONTEND=noninteractive \
     && apt-get update -qq \
-    && apt-get install --yes -qq \
+    && apt-get upgrade \
+      --yes -qq --no-install-recommends \
+    && apt-get install \
+      --yes -qq --no-install-recommends \
       build-essential \
       ca-certificates \
       libldap-dev \