diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+#### 0.2.0.1
+
+* Allow `fay 0.21`
+
 ## 0.2
 
 * Add flag x-fay-strict-modules, specifying modules that should get a
diff --git a/fay-builder.cabal b/fay-builder.cabal
--- a/fay-builder.cabal
+++ b/fay-builder.cabal
@@ -1,5 +1,5 @@
 name:                fay-builder
-version:             0.2
+version:             0.2.0.1
 synopsis:            Compile Fay code on cabal install, and ad-hoc recompile during development
 description:         Compile Fay code on cabal install, and ad-hoc recompile during development
 license:             BSD3
@@ -30,8 +30,8 @@
     , Cabal >= 1.4 && < 1.21
     , data-default >= 0.5.3 && < 0.6
     , directory >= 1.1 && < 1.3
-    , fay == 0.20.*
+    , fay >= 0.20 && < 0.22
     , filepath == 1.3.*
     , safe == 0.3.*
     , split >= 0.2.2 && < 0.3
-    , text >= 0.11 && < 1.2
+    , text >= 0.11 && < 1.3