diff --git a/Dockerfile b/Dockerfile
index c72f31e..ae9e745 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,7 @@ RUN apt-get update && \
     apt-get -y install --no-install-recommends make gcc build-essential && \
     apt-get -y install --no-install-recommends python3 python3-numpy && \
     apt-get -y install --no-install-recommends fluxbox && \
+    apt-get -y install --no-install-recommends openssl && \
     rm -rf /var/lib/apt/lists/*
 
 FROM base as build