diff --git a/cobol.dockerfile b/cobol.dockerfile
index 1da7f72..542be7c 100644
--- a/cobol.dockerfile
+++ b/cobol.dockerfile
@@ -1,4 +1,4 @@
 FROM git.harryesses.com/harryesses/base:latest
 USER root
-RUN apt install gnucobol
+RUN apt-get install gnucobol -y
 USER coder
\ No newline at end of file