diff --git a/Dockerfile.pipe b/Dockerfile.pipe
index f6711e0..28d5c61 100644
--- a/Dockerfile.pipe
+++ b/Dockerfile.pipe
@@ -12,7 +12,8 @@ RUN apt-get update && \
 RUN python3 -m pip install --upgrade \
     pip==20.2.4 \
     setuptools==50.3.2 \
-    poetry==1.1.4
+    poetry==1.1.4 \
+    poetry-core==1.0.0
 
 WORKDIR /opt/coviddash