diff --git a/Dockerfile b/Dockerfile
index 3a7edbe..ae0e97e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,9 +25,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
       ca-certificates \
       curl \
       gnupg && \
-    curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | tee /etc/apt/trusted.gpg.d/microsoft.gpg && \
+    curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > /etc/apt/trusted.gpg.d/microsoft.gpg && \
     echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-debian-bullseye-prod bullseye main" > /etc/apt/sources.list.d/microsoft.list && \
-    apt-get upgrade -y && apt-get install -y --no-install-recommends \
+    apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends \
       # (build-essential) Dependency for installation of InSpec
       build-essential \
       git \