diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 2.2.1
+
+* Add precedence and fixity for `(?:)`
+
 # 2.2.0
 
 * BREAKING CHANGE: Use `Text` instead of `String`
diff --git a/Control/Error/Util.hs b/Control/Error/Util.hs
--- a/Control/Error/Util.hs
+++ b/Control/Error/Util.hs
@@ -127,6 +127,8 @@
 maybeA ?: b = fromMaybe b maybeA
 {-# INLINABLE (?:) #-}
 
+infixr 0 ?:
+
 {-| Convert a 'Maybe' value into the 'ExceptT' monad
 
     Named version of ('??') with arguments flipped
diff --git a/errors.cabal b/errors.cabal
--- a/errors.cabal
+++ b/errors.cabal
@@ -1,5 +1,5 @@
 Name: errors
-Version: 2.2.0
+Version: 2.2.1
 Cabal-Version: >=1.8.0.2
 Build-Type: Simple
 Tested-With: GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.1