diff --git a/src/pybump.py b/src/pybump.py
index 7b5e509..5c65c75 100644
--- a/src/pybump.py
+++ b/src/pybump.py
@@ -4,6 +4,7 @@
 from sys import stderr
 
 from ruamel.yaml import YAML, YAMLError
+
 try:
     from .pybump_version import PybumpVersion
 except ImportError:
@@ -57,9 +58,12 @@ def get_self_version(dist_name):
     :param dist_name: string
     :return: version as string
     """
-    # https://docs.python.org/3/library/importlib.metadata.html#distribution-versions
-    from importlib.metadata import version
-    return version(dist_name)
+    try:
+        # https://docs.python.org/3/library/importlib.metadata.html#distribution-versions
+        from importlib.metadata import version
+        return version(dist_name)
+    except ModuleNotFoundError:
+        return 'version not found'
 
 
 def write_version_to_file(file_path, file_content, version, app_version):