diff --git a/requirements.app.in b/requirements.app.in
new file mode 100644
index 0000000..3d60ad8
--- /dev/null
+++ b/requirements.app.in
@@ -0,0 +1,5 @@
+asyncpg==0.27.0
+fastapi==0.89.1
+ormar==0.12.1
+psycopg2-binary==2.9.5
+uvicorn==0.20.0
diff --git a/requirements.in b/requirements.in
index 58699c0..c8bf7e7 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,7 +1,6 @@
-asyncpg==0.27.0
-fastapi==0.89.1
-ormar==0.12.1
-psycopg2-binary==2.9.5
-uvicorn==0.20.0
-pip-tools==7.3.0
+# Compile project requirement with (pip-tools needed):
+#    pip-compile --output-file=requirements.txt requirements.in
+
+-r requirements.python.in
+-r requirements.app.in
 -r docs/requirements.in
diff --git a/requirements.python.in b/requirements.python.in
new file mode 100644
index 0000000..15eed1b
--- /dev/null
+++ b/requirements.python.in
@@ -0,0 +1 @@
+pip-tools==7.3.0
diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 2097e7e..78fc608 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -21,6 +21,9 @@ echo "-- Activate Python virtual environment"
 # shellcheck source="../.venv/bin/activate"
 source .venv/bin/activate
 
+echo "-- Install project Python requirements in venv"
+pip install -r requirements.txt
+
 if [ -f .env ]; then
   echo "-- Source '.env' configuration file"
   # shellcheck source="../.env" disable=SC1091
diff --git a/scripts/python_setup.sh b/scripts/python_setup.sh
index 62eac84..4ce5926 100755
--- a/scripts/python_setup.sh
+++ b/scripts/python_setup.sh
@@ -29,8 +29,9 @@ source .venv/bin/activate
 
 echo "-- Upgrage Python pip and setuptools in venv"
 pip install --upgrade setuptools pip
-echo "-- Install Python requirements in venv"
-pip install -r requirements.txt
+
+echo "-- Install Python setup requirements in venv"
+pip install -r requirements.python.in
 
 ## and go back
 cd "$cwd"