diff --git a/optional/radicale/Dockerfile b/optional/radicale/Dockerfile
index ab819d69..ae3e8b77 100644
--- a/optional/radicale/Dockerfile
+++ b/optional/radicale/Dockerfile
@@ -1,8 +1,8 @@
 ARG DISTRO=alpine:3.10
 FROM $DISTRO
 
-RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
- && apk add --no-cache radicale@testing curl bash
+RUN apk add --no-cache curl bash python3 \
+ && pip3 install radicale
 
 COPY radicale.conf /radicale.conf
 
diff --git a/towncrier/newsfragments/1255.bugfix b/towncrier/newsfragments/1255.bugfix
new file mode 100644
index 00000000..606f2f86
--- /dev/null
+++ b/towncrier/newsfragments/1255.bugfix
@@ -0,0 +1 @@
+Use pip package for radicale to fix failing builds caused by [alpine]upstream package rebuild against different python version