diff --git a/scripts/build_docker.sh b/scripts/build_docker.sh
index b525b04bd..f3550c18e 100755
--- a/scripts/build_docker.sh
+++ b/scripts/build_docker.sh
@@ -3,7 +3,7 @@
 PARENT=stablebaselines/stable-baselines3
 
 TAG=stablebaselines/rl-baselines3-zoo
-VERSION=2.2.0a1
+VERSION=$(cat ./rl_zoo3/version.txt)
 
 if [[ ${USE_GPU} == "True" ]]; then
   PARENT="${PARENT}:${VERSION}"