diff --git a/.gitlab-ci/libfprint-templates.yaml b/.gitlab-ci/libfprint-templates.yaml
index 280a21f..ace3f7b 100644
--- a/.gitlab-ci/libfprint-templates.yaml
+++ b/.gitlab-ci/libfprint-templates.yaml
@@ -26,3 +26,4 @@
     uncrustify
     valgrind
     clang-analyzer
+    diffutils