diff --git a/postBuild b/postBuild
new file mode 100644
index 0000000000000000000000000000000000000000..22ebbfa32156f975010c53a5f03393c220b8e100
--- /dev/null
+++ b/postBuild
@@ -0,0 +1,3 @@
+set -ex
+
+python -m spacy download de_core_news_sm
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a51466c7eced84c0e8c96a728e29f544bd8de25
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+pandas
+numpy
+spacy
+gensim
+pyLDAvis