Index: README.md
==================================================================
--- README.md
+++ README.md
@@ -40,10 +40,11 @@
 
 ## Availability
 
 - [**GRG Homepage**](https://reduce-algebra.sourceforge.io/grg32/grg32.php)
 - [GitHub Mirror](https://github.com/reduce-algebra/grg/)
+- [GitLab Mirror](https://gitlab.com/reduce-algebra/grg)
 - [SourceHut Mirror](https://git.sr.ht/~trn/grg/)
 - [NotABug Mirror](https://notabug.org/reduce-algebra/grg)
 - [Chisel Mirror](https://chiselapp.com/user/reduce-algebra/repository/grg)
 
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