diff --git a/agents/runtime-image/Dockerfile b/agents/runtime-image/Dockerfile
index 0f8765ec9d0..5dc039cbcd1 100644
--- a/agents/runtime-image/Dockerfile
+++ b/agents/runtime-image/Dockerfile
@@ -4,7 +4,7 @@
 # BuildKit (podman/buildah cannot FROM a directory context).
 ARG RUNNER_SOURCE=runner-builder
 
-FROM rust:1.97-bookworm@sha256:77fac8b98f9f46062bb680b6d25d5bcaabfc400143952ebc572e924bcbedc3fa AS runner-builder
+FROM rust:1.98-bookworm@sha256:9a73a5088750b4c95158ab26629c854c3d6fc4b173cb7bc8079ad252d8ed7bfa AS runner-builder
 
 WORKDIR /src
 COPY agents/runner/Cargo.toml agents/runner/Cargo.lock ./agents/runner/