diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c985152e39..d5e7d205c0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -235,7 +235,9 @@ stages:
            -j ${TEST_PARALLEL_JOBS:-1} \
            --xml \
            --output-file=cppcheck.results \
-           --inline-suppr
+           --relative-paths="$CI_PROJECT_DIR" \
+           --inline-suppr \
+           --suppressions-list=util/suppressions.txt
 
 .cppcheck_report: &cppcheck_report_html |
   cppcheck-htmlreport --title="BIND 9 ($CI_COMMIT_SHORT_SHA) Cppcheck Report" \
diff --git a/util/suppressions.txt b/util/suppressions.txt
new file mode 100644
index 0000000000..dbfa38b4af
--- /dev/null
+++ b/util/suppressions.txt
@@ -0,0 +1,2 @@
+unmatchedSuppression:*
+preprocessorErrorDirective:*