diff --git a/.ci/Debian13/Dockerfile b/.ci/Debian13/Dockerfile
index b117d39f9..d7ab6ac86 100644
--- a/.ci/Debian13/Dockerfile
+++ b/.ci/Debian13/Dockerfile
@@ -3,6 +3,7 @@ FROM debian:13
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         build-essential \
+        ca-certificates \
         ccache \
         clang-format \
         cmake \