diff --git a/Dockerfile b/Dockerfile
index bf245fa..245890c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ RUN apk update \
     && \
     apk add \
     gcc-arm-none-eabi \
+    newlib-arm-none-eabi \
     make \
     cmake \
     && \