diff --git a/algos/ads_2/main.sh b/algos/ads_2/main.sh
index 4acbbc8..afaa94b 100644
--- a/algos/ads_2/main.sh
+++ b/algos/ads_2/main.sh
@@ -3,6 +3,9 @@
 
 # == References ==
 
+apt-get update
+apt-get install -y gcc
+
 git clone https://github.com/axondeepseg/axondeepseg.git ads_v2
 
 cd ads_v2