diff --git a/dockerfile b/dockerfile
index c940e26..1691bba 100644
--- a/dockerfile
+++ b/dockerfile
@@ -7,7 +7,7 @@ WORKDIR /app
 
 # system deps
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
+    build-essential git \
     && rm -rf /var/lib/apt/lists/*
 
 # copy requirements then install