diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4b68984..6462342 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -105,7 +105,7 @@ build:binary-development:
     - dpkg --add-architecture armhf
     - apt-get update -y
     - apt-get install -y libc6-armhf-cross libc6-dev-armhf-cross gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
-    - apt-get install -y --no-install-recommends capnproto build-essential cmake clang libclang-dev libgsasl7-dev libgsasl7-dev:armhf
+    - apt-get install -y --no-install-recommends capnproto build-essential cmake clang libclang-dev libgsasl7-dev libgsasl7-dev:armhf libssl-dev:armhf
     - rustup target add armv7-unknown-linux-gnueabihf
 
   script: