diff --git a/chals/crypto/not_so_easy_ecc/Dockerfile b/chals/crypto/not_so_easy_ecc/Dockerfile
index 1e00116..b096ced 100644
--- a/chals/crypto/not_so_easy_ecc/Dockerfile
+++ b/chals/crypto/not_so_easy_ecc/Dockerfile
@@ -10,6 +10,7 @@ WORKDIR /chal
 COPY chal.py ./
 COPY mini_ecdsa.py ./
 COPY tonelli_shanks.py ./
+COPY flag.py ./
 RUN chmod 555 chal.py
 USER chal