build fix?

Dockerfile

@@ -22,13 +22,14 @@ RUN \
 	echo "************ install dependencies ************" && \
 	echo "************ add repos for updated ffmpeg ************" && \
 	apt-get update -qq && \
-	apt-get install software-properties-common -y && \
+	apt-get install -y software-properties-common&& \
+	apt-get update -qq && \
 	add-apt-repository ppa:savoury1/graphics -y && \
 	add-apt-repository ppa:savoury1/multimedia -y && \
 	add-apt-repository ppa:savoury1/ffmpeg4 -y && \
 	echo "************ install packages ************" && \
-	apt-get update -qq && \
-	apt-get install -qq -y \
+	apt-get update && \
+	apt-get install -y \
 		mkvtoolnix \
 		mp3val \
 		flac \