diff --git a/Containerfile b/Containerfile
index 45e1e8e..4db9746 100644
--- a/Containerfile
+++ b/Containerfile
@@ -5,6 +5,8 @@ LABEL com.github.containers.toolbox="true" \
       summary="A cloud-native terminal experience" \
       maintainer="jorge.castro@gmail.com"
 
+RUN echo "https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
+
 COPY extra-packages /
 RUN apk update && \
     apk upgrade && \
diff --git a/extra-packages b/extra-packages
index a01fe1f..7b85472 100644
--- a/extra-packages
+++ b/extra-packages
@@ -10,6 +10,7 @@ emacs-pgtk
 eza
 fd
 ffmpeg
+flux
 fzf
 github-cli
 go