diff --git a/.ci/ci_build.sh b/.ci/ci_build.sh
index 9805d32..c7d5109 100755
--- a/.ci/ci_build.sh
+++ b/.ci/ci_build.sh
@@ -1,3 +1,4 @@
+set -e
 export COMMIT_MSG=$(python3 print_deploy_message.py)
 make ci-build
 cd build/LatexPackagesBuild
diff --git a/.ci/configure_git.sh b/.ci/configure_git.sh
index 3d3b4fd..3789bb6 100755
--- a/.ci/configure_git.sh
+++ b/.ci/configure_git.sh
@@ -1,3 +1,4 @@
+set -e
 eval $(ssh-agent -s)
 echo "$GITLAB_DEPLOY_KEY" | base64 -d | tr -d '\r' | ssh-add - > /dev/null
 
diff --git a/.ci/get_build_repo_from_origin.sh b/.ci/get_build_repo_from_origin.sh
index 2fe26aa..c53683b 100755
--- a/.ci/get_build_repo_from_origin.sh
+++ b/.ci/get_build_repo_from_origin.sh
@@ -1,4 +1,5 @@
 # ! /bin/sh
+set -e
 ssh git@gitlab.com
 git clone git@gitlab.com:latexci/packages/LatexPackagesBuild.git build/LatexPackagesBuild
 cd build/LatexPackagesBuild