diff --git a/test/process-tests.cabal b/test/process-tests.cabal
index d5c3ab49..7fe2c60d 100644
--- a/test/process-tests.cabal
+++ b/test/process-tests.cabal
@@ -22,7 +22,7 @@ common process-dep
 
 custom-setup
   setup-depends:
-    base      >= 4.10 && < 4.21,
+    base      >= 4.10 && < 4.22,
     directory >= 1.1  && < 1.4,
     filepath  >= 1.2  && < 1.6,
     Cabal     >= 2.4  && < 3.14,