diff --git a/start_ocean.sh b/start_ocean.sh
index a4576b6..f738dac 100755
--- a/start_ocean.sh
+++ b/start_ocean.sh
@@ -13,9 +13,9 @@ DIR="${DIR/ /\\ }"
 COMPOSE_DIR="${DIR}/compose-files"
 
 # Default versions of Aquarius, Brizo, Keeper Contracts and Pleuston
-export AQUARIUS_VERSION=${AQUARIUS_VERSION:-v0.2.9}
-export BRIZO_VERSION=${BRIZO_VERSION:-v0.3.10}
-export KEEPER_VERSION=${KEEPER_VERSION:-v0.9.7}
+export AQUARIUS_VERSION=${AQUARIUS_VERSION:-v0.3.4}
+export BRIZO_VERSION=${BRIZO_VERSION:-v0.3.12}
+export KEEPER_VERSION=${KEEPER_VERSION:-v0.10.3}
 export PLEUSTON_VERSION=${PLEUSTON_VERSION:-v0.4.0}
 
 export PARITY_IMAGE='parity/parity:v2.3.3'