diff --git a/pyproject.toml b/pyproject.toml
index c6fa326..67a2a52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetryup"
-version = "0.3.6"
+version = "0.3.7"
 description = "Update dependencies and bump their version in the pyproject.toml file"
 authors = ["Mousa Zeid Baker"]
 packages = [
diff --git a/src/poetryup/poetryup.py b/src/poetryup/poetryup.py
index b6832d3..9c4cb01 100644
--- a/src/poetryup/poetryup.py
+++ b/src/poetryup/poetryup.py
@@ -55,9 +55,10 @@ def _list_dependencies() -> List[Dependency]:
 
     output = _run_poetry_show()
 
+    pattern = re.compile("^[a-zA-Z-]+")
     dependencies: List[Dependency] = []
     for line in output.split("\n"):
-        if re.match("^[a-zA-Z]+", line) is not None:
+        if pattern.match(line) is not None:
             name, version, *_ = line.split()
             dependency = Dependency(name=name, version=version)
             dependencies.append(dependency)