diff --git a/Dockerfile b/Dockerfile
index 2e8d189..92ce209 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,8 @@ FROM python:3.8.6-slim
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 
-RUN curl -so - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add - \
+RUN apt install -y --no-install-recommands curl \
+    curl -so - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add - \
     add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ \
     apt update && \
     apt install -y --no-install-recommands adoptopenjdk-11-openj9