diff --git a/cabal.project b/cabal.project
index e50bba650..e28e4ebb0 100644
--- a/cabal.project
+++ b/cabal.project
@@ -36,6 +36,8 @@ if os(windows)
   constraints: time ^>=1.14
   allow-newer: *:time
 
+constraints: process >= 1.6.16.0
+
 constraints: any.text source
 -- Depending on C++ for just so slightly faster utf8 parsing is a bit annoying
 -- especially as it brings in all kinds of complications for GHC.