diff --git a/probe/Dockerfile b/probe/Dockerfile
index 0fabcb6..42ba48e 100644
--- a/probe/Dockerfile
+++ b/probe/Dockerfile
@@ -16,7 +16,7 @@ RUN --mount=type=cache,id=probe-target,target=/build/target \
 FROM docker.io/debian:bookworm-slim
 
 RUN apt-get update && \
-    apt-get install --yes --no-install-recommends libcap2-bin && \
+    apt-get install --yes --no-install-recommends ca-certificates libcap2-bin && \
     rm -rf /var/lib/apt/lists/* && \
     groupadd --system app && \
     useradd --system --gid app --home-dir /app --shell /usr/sbin/nologin app