diff --git a/.gitignore b/.gitignore
index 7bbc71c..7616e48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -99,3 +99,6 @@ ENV/
 
 # mypy
 .mypy_cache/
+
+# PyCharm
+.idea
diff --git a/CHANGES.txt b/CHANGES.txt
index 0a420c4..4fb1a69 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,10 +1,11 @@
 Changes
 =======
 
-20231213 - 0.4.1
+20240113 - 0.5.0
 ----------------
 
 - Add KeyError exception (thanks @miaucl)
+- Add line numbers (thanks @polgarc)
 
 20231120 - 0.4.0
 ----------------
diff --git a/opendata_transport/__init__.py b/opendata_transport/__init__.py
index 3fe355b..bdd355b 100644
--- a/opendata_transport/__init__.py
+++ b/opendata_transport/__init__.py
@@ -252,7 +252,11 @@ def get_connection(connection):
         connection_info["number"] = ""
         for section in connection["sections"]:
             if section["journey"] is not None:
-                connection_info["number"] = section["journey"]["name"]
+                journey = section["journey"]
+                connection_info["number"] = journey["name"]
+                connection_info["line"] = "".join(
+                    filter(None, [journey["category"], journey["number"]])
+                )
                 break
 
         connection_info["platform"] = connection["from"]["platform"]