diff --git a/image/poetry b/image/poetry
index dfb7ebf60faca08d56661bc615c946361c858cd2..cd08686d00b7629c291b8e8fd93c0896bb90626f 100644
--- a/image/poetry
+++ b/image/poetry
@@ -10,7 +10,7 @@ WORKDIR /silkaj
 COPY ./ ./
 
 # Install Silkaj
-RUN poetry install --no-dev
+RUN poetry install --only main
 
 # ------------------------------------------------------------------------------
 # Final Stage