diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6102593..9220428 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -375,6 +375,7 @@ jobs:
       matrix:
         platform:
           - "ppc64le"
+          - "riscv64"
           - "s390x"
     runs-on: ubuntu-24.04
     steps:
diff --git a/Dockerfile b/Dockerfile
index a8f57ae..1bd6bb6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker.io/docker/dockerfile:1
 
-FROM docker.io/rust:slim-trixie AS builder
+FROM docker.io/rust:1-slim-trixie AS builder
 
 WORKDIR /app