diff --git a/stm.cabal b/stm.cabal
index 941a811e93e77ef4ee550bddbaeeb6c8f8c54f6f..3fa58f8c0d41d89f35eee417b3afc241dfeb8ca7 100644
--- a/stm.cabal
+++ b/stm.cabal
@@ -1,6 +1,6 @@
 cabal-version:  >=1.10
 name:           stm
-version:        2.5.2.0
+version:        2.5.2.1
 -- don't forget to update changelog.md file!
 
 license:        BSD3