Update buildspec.yml

diff --git a/buildspec.yml b/buildspec.yml
index 333173465ac70183734d25fe558286e07a741332..aac222fc4fcb582604d6942cc89b1a48802c1d68 100644 (file)
--- a/buildspec.yml
+++ b/buildspec.yml
@@ -10,8 +10,9 @@ phases:
       - echo Nothing
   pre_build:
     commands:
-      - apt-get install bison
-      - apt-get install yacc
+      - apt-get update
+      - apt-get install -y bison
+      - apt-get install -y yacc
   build:
     commands:
       - echo Build started on `date`