diff --git a/ci/docker/build.Dockerfile b/ci/docker/build.Dockerfile
index 07e7b06fde..f50d178d8a 100644
--- a/ci/docker/build.Dockerfile
+++ b/ci/docker/build.Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get -yqq update && \
     apt-get -yqq install --no-install-recommends \
     software-properties-common \
     build-essential gfortran \
-    autoconf automake ninja-build pkg-config \
+    autoconf automake libssl-dev ninja-build pkg-config \
     ${EXTRA_APTGET} \
     gawk \
     python3 python3-distutils \