diff --git a/Dockerfile b/Dockerfile
index 16a2122899..47fcda27e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -392,7 +392,8 @@ FROM binary-dummy AS rootlesskit-windows
 FROM rootlesskit-${TARGETOS} AS rootlesskit
 
 FROM base AS crun
-ARG CRUN_VERSION=1.12
+# CRUN_VERSION is the version of crun to install in the dev-container.
+ARG CRUN_VERSION=1.21
 RUN --mount=type=cache,sharing=locked,id=moby-crun-aptlib,target=/var/lib/apt \
     --mount=type=cache,sharing=locked,id=moby-crun-aptcache,target=/var/cache/apt \
         apt-get update && apt-get install -y --no-install-recommends \