diff --git a/.circleci/unittest/linux/scripts/install.sh b/.circleci/unittest/linux/scripts/install.sh
index 4f68f6b06..3162f59a6 100755
--- a/.circleci/unittest/linux/scripts/install.sh
+++ b/.circleci/unittest/linux/scripts/install.sh
@@ -54,7 +54,7 @@ python -c "import functorch"
 
 # mj_envs
 #git clone -c submodule.mj_envs/sims/neuromuscular_sim.update=none --branch v0.4dev --recursive https://github.com/vikashplus/mj_envs.git third_party/mj_envs
-git clone -c submodule.mj_envs/sims/neuromuscular_sim.update=none --branch add_all_xmls --recursive https://github.com/vmoens/mj_envs.git third_party/mj_envs
+git clone -c submodule.mj_envs/sims/neuromuscular_sim.update=none --branch v0.3dev_standalone --recursive https://github.com/vmoens/mj_envs.git third_party/mj_envs
 cd third_party/mj_envs
 pip install .
 cd ../..
diff --git a/.circleci/unittest/linux/scripts/setup_env.sh b/.circleci/unittest/linux/scripts/setup_env.sh
index 41e1297dc..58a1f7aee 100755
--- a/.circleci/unittest/linux/scripts/setup_env.sh
+++ b/.circleci/unittest/linux/scripts/setup_env.sh
@@ -63,11 +63,11 @@ PRIVATE_MUJOCO_GL=egl
 
 export MUJOCO_GL=$PRIVATE_MUJOCO_GL
 conda env config vars set \
-#  MUJOCO_PY_MUJOCO_PATH=$root_dir/.mujoco/mujoco210 \
+  MUJOCO_PY_MUJOCO_PATH=$root_dir/.mujoco/mujoco210 \
   DISPLAY=unix:0.0 \
-#  MJLIB_PATH=$root_dir/.mujoco/mujoco-2.1.1/lib/libmujoco.so.2.1.1 \
-#  LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$root_dir/.mujoco/mujoco210/bin \
-#  SDL_VIDEODRIVER=dummy \
+  MJLIB_PATH=$root_dir/.mujoco/mujoco-2.1.1/lib/libmujoco.so.2.1.1 \
+  LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$root_dir/.mujoco/mujoco210/bin \
+  SDL_VIDEODRIVER=dummy \
   MUJOCO_GL=$PRIVATE_MUJOCO_GL \
   PYOPENGL_PLATFORM=$PRIVATE_MUJOCO_GL