diff --git a/Dockerfile b/Dockerfile
index 2b93a85..2e151fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,7 @@ RUN apk update && \
             bsd-compat-headers \
             newlib-arm-none-eabi \
             gcc-arm-none-eabi \
+            g++-arm-none-eabi \
             linux-headers
 
 # Raspberry Pi Pico SDK