diff --git a/freqtrade-NFIx5/Dockerfile b/freqtrade-NFIx5/Dockerfile
index 51d1fb9..6c8223b 100644
--- a/freqtrade-NFIx5/Dockerfile
+++ b/freqtrade-NFIx5/Dockerfile
@@ -22,6 +22,7 @@ RUN apk add --no-cache \
     g++ \
     make \
     cmake \
+    ninja \
     musl-dev \
     linux-headers \
     python3 \