diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c6df7929b2..a337a9c352 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -88,7 +88,7 @@ stages:
     - test -w "${CCACHE_DIR}" && export PATH="/usr/lib/ccache:${PATH}"
     - autoreconf -fi
   script:
-    - ./configure --enable-developer --with-libtool --disable-static --with-atf=/usr/local
+    - ./configure --enable-developer --with-libtool --disable-static --with-atf=/usr/local --with-libidn2
     - make -j${PARALLEL_JOBS_BUILD:-1} -k all V=1
   artifacts:
     expire_in: '1 hour'