diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cbebc7b0..d008cd5f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,8 +4,9 @@ build_ubuntu_18_04:
   before_script:
     - sed -i -e 's/# deb-src/deb-src/g' /etc/apt/sources.list
     - apt-get update
-    - apt-get build-dep --yes --no-install-recommends qca-qt5
-    - apt-get install --yes --no-install-recommends ninja-build libbotan-2-dev libnss3-dev libgcrypt20-dev libpkcs11-helper1-dev
+    - apt-get install --yes eatmydata
+    - eatmydata apt-get build-dep --yes --no-install-recommends qca-qt5
+    - eatmydata apt-get install --yes --no-install-recommends ninja-build libbotan-2-dev libnss3-dev libgcrypt20-dev libpkcs11-helper1-dev
   script:
     - mkdir -p build && cd build
     - cmake -G Ninja ..
@@ -18,8 +19,9 @@ build_clazy_clang_tidy:
   before_script:
     - echo 'deb-src http://deb.debian.org/debian unstable main' >> /etc/apt/sources.list
     - apt-get update
-    - apt-get build-dep --yes --no-install-recommends qca2
-    - apt-get install --yes --no-install-recommends ninja-build libbotan-2-dev libnss3-dev libgcrypt20-dev libpkcs11-helper1-dev clazy clang clang-tidy jq
+    - apt-get install --yes eatmydata
+    - eatmydata apt-get build-dep --yes --no-install-recommends qca2
+    - eatmydata apt-get install --yes --no-install-recommends ninja-build libbotan-2-dev libnss3-dev libgcrypt20-dev libpkcs11-helper1-dev clazy clang clang-tidy jq
   script:
     - srcdir=`pwd` && mkdir -p /tmp/qca_build && cd /tmp/qca_build && CC=clang CXX=clazy CXXFLAGS="-Werror -Wno-deprecated-declarations" cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -G Ninja $srcdir && cat compile_commands.json | jq  '[.[] | select(.file | contains("'"$srcdir"'"))]' > compile_commands.aux.json && mv compile_commands.aux.json compile_commands.json
     - CLAZY_CHECKS="level0,level1,level2,no-copyable-polymorphic,no-ctor-missing-parent-argument,isempty-vs-count,qhash-with-char-pointer-key,qproperty-type-mismatch,qrequiredresult-candidates,signal-with-return-value,thread-with-slots,tr-non-literal,unneeded-cast" ninja