diff --git a/scripts/cosm/cli.sh b/scripts/cosm/cli.sh
index b013cc1a..59eeefe9 100755
--- a/scripts/cosm/cli.sh
+++ b/scripts/cosm/cli.sh
@@ -2,11 +2,9 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck > /dev/null && shellcheck "$0"
 
-# Choose from https://hub.docker.com/r/cosmwasm/wasmd/tags
-REPOSITORY="cosmwasm/wasmd"
-VERSION="manual"
 
-BLOCKCHAIN_CONTAINER_NAME="wasmd"
+SCRIPT_DIR="$(realpath "$(dirname "$0")")"
+source "$SCRIPT_DIR"/env
 
 # TODO: make this run as UID? Does this matter?
 HOME_DIR="/root"
diff --git a/scripts/cosm/start.sh b/scripts/cosm/start.sh
index 383403d3..57932107 100755
--- a/scripts/cosm/start.sh
+++ b/scripts/cosm/start.sh
@@ -2,17 +2,14 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck > /dev/null && shellcheck "$0"
 
-# Choose from https://hub.docker.com/r/cosmwasm/wasmd/tags
-REPOSITORY="cosmwasm/wasmd"
-VERSION="manual"
+SCRIPT_DIR="$(realpath "$(dirname "$0")")"
+source "$SCRIPT_DIR"/env
 
 TMP_DIR=$(mktemp -d "${TMPDIR:-/tmp}/gaia.XXXXXXXXX")
 chmod 777 "$TMP_DIR"
 echo "Using temporary dir $TMP_DIR"
 WASMD_LOGFILE="$TMP_DIR/wasmd.log"
 REST_SERVER_LOGFILE="$TMP_DIR/rest-server.log"
-SCRIPT_DIR="$(realpath "$(dirname "$0")")"
-CONTAINER_NAME="wasmd"
 
 # This starts up wasmd
 docker volume rm -f wasmd_data
diff --git a/scripts/cosm/stop.sh b/scripts/cosm/stop.sh
index 91214993..773b5eb8 100755
--- a/scripts/cosm/stop.sh
+++ b/scripts/cosm/stop.sh
@@ -2,7 +2,8 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck > /dev/null && shellcheck "$0"
 
-CONTAINER_NAME="wasmd"
+SCRIPT_DIR="$(realpath "$(dirname "$0")")"
+source "$SCRIPT_DIR"/env
 
 echo "Killing Cosmos container..."
 docker container kill "$CONTAINER_NAME"
diff --git a/scripts/env b/scripts/env
new file mode 100644
index 00000000..bfa7e4c0
--- /dev/null
+++ b/scripts/env
@@ -0,0 +1,5 @@
+# Choose from https://hub.docker.com/r/cosmwasm/wasmd/tags
+REPOSITORY="cosmwasm/wasmd-demo"
+VERSION="latest"
+
+BLOCKCHAIN_CONTAINER_NAME="wasmd"