diff --git a/cabal.project.release b/cabal.project.release
index 7b7ef0368ea95d1a82e7aeae03f0ac281bc80090..5cf0ef9b137b85df4ad96cc42ecc588e6fab739f 100644
--- a/cabal.project.release
+++ b/cabal.project.release
@@ -9,3 +9,5 @@ package Cabal
 
 package parsec
   ghc-options: -fexpose-all-unfoldings
+
+constraints: network < 3.1.2.3
\ No newline at end of file