diff --git a/.envsample b/.envsample
deleted file mode 100644
index 08e49d0..0000000
--- a/.envsample
+++ /dev/null
@@ -1 +0,0 @@
-SECRET_KEY = VULCANWEBKEY
diff --git a/README.md b/README.md
index e05ea0b..89cc2d1 100644
--- a/README.md
+++ b/README.md
@@ -25,12 +25,7 @@ And in frontend:
 ```shell
 npm install
 ```
-## 2. Create .env and make migrations
-In the .env file put the code:
-```shell
-SECRET_KEY = VULCANWEBKEY
-```
-After saving the files, we migrate with these commands:
+## 2. Make migrations
 ```shell
 python manage.py makemigrations
 python manage.py migrate
diff --git a/batch/install.bat b/batch/install.bat
index 3eb3d30..f6b3cb0 100644
--- a/batch/install.bat
+++ b/batch/install.bat
@@ -1,29 +1,5 @@
 ::To jest to samo co w pliku install.exe
 pip install -r requirements.txt
-echo SECRET_KEY = VULCANWEBKEY > .env
-::Kiedyś to SECRET_KEY będzie generowany przez skrypt NIE RUSZAĆ!!!
-::setLocal EnableDelayedExpansion
-::set str=ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890
-::set /a P=!random!%%36
-::set znak1=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak2=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak3=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak4=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak5=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak6=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak7=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak8=!str:~%P%,1!
-::set /a P=!random!%%36
-::set znak9=!str:~%P%,1!
-::set "key=%znak1%%znak2%%znak3%%znak4%%znak5%%znak6%%znak7%%znak8%%znak9%"
-::echo SECRET_KEY = %key% > .env
 python manage.py makemigrations
 python manage.py migrate
 npm install
diff --git a/install.exe b/install.exe
index f58b265..d6403a9 100644
Binary files a/install.exe and b/install.exe differ
diff --git a/requirements.txt b/requirements.txt
index e1abe1e..6bbeba5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 beautifulsoup4==4.9.3
 bs4==0.0.1
 Django==3.1.3
-python-dotenv==0.15.0
 requests==2.24.0
 cryptography==3.2.1
\ No newline at end of file
diff --git a/wulkanowy/settings.py b/wulkanowy/settings.py
index e27fd66..36d57bc 100644
--- a/wulkanowy/settings.py
+++ b/wulkanowy/settings.py
@@ -12,7 +12,7 @@ https://docs.djangoproject.com/en/3.1/ref/settings/
 
 from pathlib import Path
 import os
-import dotenv
+from cryptography.fernet import Fernet
 ROOT_PATH = os.path.dirname(__file__)
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -22,11 +22,7 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
 
-dotenv_file = os.path.join(BASE_DIR, ".env")
-if os.path.isfile(dotenv_file):
-    dotenv.load_dotenv(dotenv_file)
-
-SECRET_KEY = os.environ['SECRET_KEY'] # Instead of your actual secret key
+SECRET_KEY = Fernet.generate_key().decode('utf-8')
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True