diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index ca2d0f3..7789df3 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -918,6 +918,7 @@
         gcovr \
         gitlint \
         inflection \
+        isoduration \
         isort \
         jsonschema \
         meson==1.3.0 \