diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e0869b2c05f0..80a6d90527ad 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -119,6 +119,7 @@ jobs:
               gir1.2-gtk-3.0 \
               graphviz \
               inkscape \
+              language-pack-de \
               lcov \
               libcairo2 \
               libcairo2-dev \
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 44adc6f08422..52c82a887a47 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -103,6 +103,7 @@ stages:
               gir1.2-gtk-3.0 \
               graphviz \
               inkscape \
+              language-pack-de \
               lcov \
               libcairo2 \
               libgirepository-1.0-1 \