diff --git a/update-python-env.sh b/update-python-env.sh
index f7ca694..9b2c533 100755
--- a/update-python-env.sh
+++ b/update-python-env.sh
@@ -24,18 +24,18 @@ fi
 
 CUR_VENV=$(cat .python-version)
 echo "[*] Removing current virtualenv ($CUR_VENV)"
-pyenv virtualenv-delete -f $CUR_VENV
+pyenv virtualenv-delete -f $CUR_VENV || exit 1
 
 echo "[*] Removing virtualenv named as project ($PROJECT)"
-pyenv virtualenv-delete -f $PROJECT
+pyenv virtualenv-delete -f $PROJECT || exit 1
 
 NEW_VENV=$PY_VER/envs/$PROJECT
 echo "[*] Creating new virtualenv ($NEW_VENV)"
-pyenv virtualenv $PY_VER $PROJECT
+pyenv virtualenv $PY_VER $PROJECT || exit 1
 echo $NEW_VENV > .python-version
 
 echo "[*] Updating pip, setuptools and wheel"
-pip install -U pip setuptools wheel
+pip install -U pip setuptools wheel || exit 1
 
 if [ -f requirements.txt ]; then
     echo "[*] Installing packets from requirements.txt"