diff --git a/relay/sources/rudder-pkg/lib/rudder-pkg/rudderPkgUtils.py b/relay/sources/rudder-pkg/lib/rudder-pkg/rudderPkgUtils.py
index b7a14bc9a6a..22230b749ad 100644
--- a/relay/sources/rudder-pkg/lib/rudder-pkg/rudderPkgUtils.py
+++ b/relay/sources/rudder-pkg/lib/rudder-pkg/rudderPkgUtils.py
@@ -649,7 +649,7 @@ def list_plugin_name():
 try:
     with open(VERSIONS_PATH) as version_file:
         for line in version_file:
-            m = re.match(r'release_step *= *(\w+)(\d*)', line)
+            m = re.match(r'release_step *= *([a-z]+)(\d*)$', line)
             if m:
                 if m.group(1) == 'release':
                     step = ''
@@ -660,7 +660,7 @@ def list_plugin_name():
                 elif m.group(1) == 'rc':
                     step = 'c'
                 step += m.group(2)
-            m = re.match(r'main_version=7.0.0 *= *((\d+\.\d+)\.\d+)', line)
+            m = re.match(r'main_version *= *((\d+\.\d+)\.\d+)', line)
             if m:
                 RUDDER_MAJOR = m.group(2)
                 rudder_version = m.group(1)