diff --git a/Dockerfile b/Dockerfile
index 603cfe54..9328f025 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,7 @@ RUN cd /tinygo/ && \
     git submodule update --init --recursive --force
 
 COPY ./lib/picolibc-* /tinygo/lib/
+COPY ./lib/picolibc-include/* /tinygo/lib/picolibc-include/
 
 RUN cd /tinygo/ && \
     go install /tinygo/