diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69890db48..eb78b242e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -63,7 +63,7 @@ debian8.10:
   stage: build
   script:
     - apt-get update
-    - apt-get install -y --no-install-recommends build-essential libtool automake libhdf5-dev cmake git libboost-dev libboost-date-time-dev libboost-system-dev libboost-filesystem-dev libboost-thread-dev libboost-chrono-dev libboost-serialization-dev liblog4cpp5-dev gnuradio-dev libblas-dev liblapack-dev libarmadillo-dev libgflags-dev libgoogle-glog-dev libgnutls-openssl-dev python-mako python-six libgtest-dev
+    - apt-get install -y --no-install-recommends build-essential libtool automake libhdf5-dev cmake git ca-certificates libboost-dev libboost-date-time-dev libboost-system-dev libboost-filesystem-dev libboost-thread-dev libboost-chrono-dev libboost-serialization-dev liblog4cpp5-dev gnuradio-dev libblas-dev liblapack-dev libarmadillo-dev libgflags-dev libgoogle-glog-dev libgnutls-openssl-dev python-mako python-six libgtest-dev
     - cd build
     - cmake ..
     - make -j2