diff --git a/tools/merge_libs b/tools/merge_libs
index 1989ea730668c8a3efee785092a664d8502e9cd0..ca29b708613765e0b9dd6d0b974d2c7c77a5c8d4 100755
--- a/tools/merge_libs
+++ b/tools/merge_libs
@@ -97,7 +97,7 @@ class Lib:
 
     def commit(self):
         with open(self.path, 'w') as f:
-            f.write('EESchema-LIBRARY Version 2.3\n')
+            f.write('EESchema-LIBRARY Version 2.4\n')
             f.write('#encoding utf-8\n')
             for c in sorted(self.component):
                 f.write(''.join(self.component[c]))
@@ -166,7 +166,7 @@ class DocLib:
 
     def commit(self):
         with open(self.path, 'w') as f:
-            f.write('EESchema-DOCLIB Version 2.0\n')
+            f.write('EESchema-DOCLIB  Version 2.0\n')
             f.write('#encoding utf-8\n')
             for c in sorted(self.component):
                 f.write(''.join(self.component[c]))