diff --git a/.builds/alpine.yml b/.builds/alpine.yml
index a167b832..fb885de2 100644
--- a/.builds/alpine.yml
+++ b/.builds/alpine.yml
@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Stone Tickle <lattis@mochiro.moe>
 # SPDX-License-Identifier: GPL-3.0-only
 
-image: alpine/latest
+image: alpine/3.17
 secrets:
   - 2fe5fef6-db89-4410-8147-07e314589d18
   - 18083346-dfba-4050-bc05-413561f99228
@@ -11,7 +11,7 @@ repositories:
     https://muon.build/nothing
     ../../../dev/null
   community: >
-    http://dl-cdn.alpinelinux.org/alpine/latest-stable/community
+    http://dl-cdn.alpinelinux.org/alpine/v3.17/community # must be kept in sync with the image's alpine version
     https://muon.build/nothing
     ../../../dev/null
 packages: