diff --git a/scripts/build_iperf3.sh b/scripts/build_iperf3.sh
index 2bb5b5d..e604dde 100755
--- a/scripts/build_iperf3.sh
+++ b/scripts/build_iperf3.sh
@@ -17,6 +17,7 @@ apk add --no-cache \
   file \
   linux-headers \
   openssl-dev \
+  python3 \
   tar \
   xz \
   zlib-dev