diff --git a/.docker/sphinx-latex/Dockerfile b/.docker/sphinx-latex/Dockerfile
index 3d6092f846a..d4c28364b85 100644
--- a/.docker/sphinx-latex/Dockerfile
+++ b/.docker/sphinx-latex/Dockerfile
@@ -8,6 +8,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update \
   && apt-get install -y --no-install-recommends \
+    ca-certificates \
     curl \
     git \
     lsb-release \