diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 41107d6..f4edf80 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -42,7 +42,7 @@ jobs:
         run: |
           source $(poetry env info --path)/bin/activate # activate virtual environment
           pytest tests
-          poetryup
+          poetryup -vv
 
       - name: Validate Project Version
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index be1e923..d34e142 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetryup"
-version = "0.10.0"
+version = "0.11.0"
 description = "Update dependencies and bump their version in the pyproject.toml file"
 authors = ["Mousa Zeid Baker"]
 packages = [
diff --git a/src/poetryup/core/cmd.py b/src/poetryup/core/cmd.py
new file mode 100644
index 0000000..2542020
--- /dev/null
+++ b/src/poetryup/core/cmd.py
@@ -0,0 +1,37 @@
+import logging
+import subprocess
+from typing import List
+
+
+class CommandError(Exception):
+    def __init__(self, cmd: str, return_code: int) -> None:
+        self.cmd = cmd
+        self.return_code = return_code
+
+
+def cmd_run(cmd: List) -> str:
+    """Run command with subprocess
+
+    Args:
+        cmd: The command to run
+
+    Returns:
+        The output from the command
+
+    Raises:
+        CommandError when command exists with non-zero exit code
+    """
+
+    logging.debug(f"Run command: '{' '.join(cmd)}'")
+    process = subprocess.run(
+        cmd,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+    )
+    if process.returncode != 0:
+        logging.debug(
+            f"Command '{' '.join(cmd)}' exited with non-zero"
+            f"exit code '{process.return_code}'"
+        )
+        raise CommandError(cmd="".join(cmd), return_code=process.returncode)
+    return process.stdout.decode()
diff --git a/src/poetryup/core/pyproject.py b/src/poetryup/core/pyproject.py
index 4590c61..19ebc5a 100644
--- a/src/poetryup/core/pyproject.py
+++ b/src/poetryup/core/pyproject.py
@@ -1,12 +1,11 @@
 import logging
 import re
-import subprocess
-import sys
 from typing import Dict, List, Optional, Union
 
 import tomlkit
 from packaging import version as version_
 
+from poetryup.core.cmd import cmd_run
 from poetryup.models.dependency import Constraint, Dependency
 
 
@@ -327,24 +326,10 @@ def __get_poetry_version() -> str:
         Returns:
             The poetry version installed
         """
-        logging.debug("Execute: 'poetry --version'")
 
-        if sys.version_info < (3, 7):
-            return subprocess.check_output(
-                ["poetry", "--version"],
-                encoding="UTF-8",
-            )
-
-        return (
-            subprocess.run(
-                ["poetry", "--version"],
-                capture_output=True,
-            )
-            .stdout.decode()  # command returns: 'Poetry version x.y.z'
-            .rsplit(" ", 1)
-            .pop()
-            .strip()
-        )
+        output = cmd_run(["poetry", "--version"])
+        # output is: 'Poetry version x.y.z'
+        return output.rsplit(" ", 1).pop().strip()
 
     @staticmethod
     def __run_poetry_show() -> str:
@@ -353,26 +338,16 @@ def __run_poetry_show() -> str:
         Returns:
             The output from the poetry show command
         """
-        logging.debug("Execute: 'poetry show --tree'")
 
-        if sys.version_info < (3, 7):
-            return subprocess.check_output(
-                ["poetry", "show", "--tree"],
-                encoding="UTF-8",
-            )
-
-        return subprocess.run(
-            ["poetry", "show", "--tree"],
-            capture_output=True,
-        ).stdout.decode()
+        return cmd_run(["poetry", "show", "--tree"])
 
     @staticmethod
     def __run_poetry_update() -> None:
         """Run poetry update command"""
 
-        logging.debug("Execute: 'poetry update'")
-        subprocess.run(["poetry", "update"])
+        cmd_run(["poetry", "update"])
 
+    @staticmethod
     def __run_poetry_add(
         self,
         packages: List[str],
@@ -386,13 +361,10 @@ def __run_poetry_add(
         """
 
         if group is None or group == "default":
-            logging.debug(f"Execute: 'poetry add {packages}'")
-            subprocess.run(["poetry", "add", *packages])
+            cmd_run(["poetry", "add", *packages])
         elif group == "dev" and self.poetry_version < version_.parse("1.2.0"):
-            logging.debug(f"Execute: 'poetry add {packages} --{group}'")
-            subprocess.run(["poetry", "add", *packages, f"--{group}"])
+            cmd_run(["poetry", "add", *packages, f"--{group}"])
         elif self.poetry_version >= version_.parse("1.2.0"):
-            logging.debug(f"Execute: 'poetry add {packages} --group {group}'")
-            subprocess.run(["poetry", "add", *packages, f"--group {group}"])
+            cmd_run(["poetry", "add", *packages, f"--group {group}"])
         else:
             logging.warning(f"Couldn't add package(s) '{packages}'")
diff --git a/src/poetryup/main.py b/src/poetryup/main.py
index fc6efc3..f21450b 100644
--- a/src/poetryup/main.py
+++ b/src/poetryup/main.py
@@ -1,12 +1,12 @@
 #!/usr/bin/env python
 
 import logging
-import subprocess
 from pathlib import Path
 from typing import List
 
 import typer
 
+from poetryup.core.cmd import CommandError, cmd_run
 from poetryup.core.pyproject import Pyproject
 from poetryup.models.dependency import Constraint
 
@@ -64,17 +64,21 @@ def poetryup(
 
     pyproject = Pyproject(pyproject_str)
     without_constraint = [Constraint.EXACT] if skip_exact else []
-    pyproject.update_dependencies(
-        latest,
-        without_constraint,
-        name,
-        exclude_name,
-        group,
-    )
+
+    try:
+        pyproject.update_dependencies(
+            latest,
+            without_constraint,
+            name,
+            exclude_name,
+            group,
+        )
+    except CommandError as e:
+        raise typer.Exit(e.return_code)
+
     Path("pyproject.toml").write_text(pyproject.dumps())
     # refresh the lock file after changes in pyproject.toml
-    logging.debug("Execute: 'poetry lock --no-update'")
-    subprocess.run(["poetry", "lock", "--no-update"])
+    cmd_run(["poetry", "lock", "--no-update"])
 
 
 if __name__ == "__main__":