diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index be9419407a4194c261532899beca4036aad470ac..62420da59d7cff04cb8871c418baaaa484566e94 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ lrust-coq8.6:
   - . build/opam-ci.sh coq 8.6 coq-mathcomp-ssreflect 1.6.1
   - env | egrep '^(CI_BUILD_REF|CI_RUNNER)' > build-env.txt
   # build
-  - 'time make -j$CPU_CORES TIMED=y 2>&1 | tee build-log.txt'
+  - 'time make -k -j$CPU_CORES TIMED=y 2>&1 | tee build-log.txt'
   - 'if fgrep Axiom build-log.txt >/dev/null; then exit 1; fi'
   - 'cat build-log.txt | egrep "[a-zA-Z0-9_/-]+ \(user: [0-9]" | tee build-time.txt'
   cache: