diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,16 @@
 Changelog
 =========
 
+Version 0.2.5.0
+---------------
+
+*December 2, 2019*
+
+<https://github.com/mstksg/advent-of-code-api/releases/tag/v0.2.5.0>
+
+*   Add `runAoC_`, which is `runAoC` but throwing an IO exception instead of
+    returning an `Either`.
+
 Version 0.2.4.2
 ---------------
 
diff --git a/advent-of-code-api.cabal b/advent-of-code-api.cabal
--- a/advent-of-code-api.cabal
+++ b/advent-of-code-api.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 00822f3b5bf4103c7c82e15d4dcec35343d1e6a293478fcfdb339c4a7c2ffba1
+-- hash: 47b5a0fa5ec3911f9afa108c1f723d2716f225a23091507886305ff551fdca08
 
 name:           advent-of-code-api
-version:        0.2.4.2
+version:        0.2.5.0
 synopsis:       Advent of Code REST API bindings and servant API
 description:    Haskell bindings for Advent of Code REST API and a servant API.  Please use
                 responsibly! See README.md or "Advent" module for an introduction and
diff --git a/src/Advent.hs b/src/Advent.hs
--- a/src/Advent.hs
+++ b/src/Advent.hs
@@ -52,6 +52,7 @@
   , AoCOpts(..)
   , SubmitRes(..), showSubmitRes
   , runAoC
+  , runAoC_
   , defaultAoCOpts
   , AoCError(..)
   -- ** Calendar
@@ -356,6 +357,13 @@
            $ runClientM (aocReq _aYear a) =<< aocClientEnv _aSessionKey
       mcr <- maybe (throwError AoCThrottleError) pure mtr
       either (throwError . AoCClientError) pure mcr
+
+-- | A version of 'runAoC' that throws an IO exception (of type 'AoCError')
+-- upon failure, instead of an 'Either'.
+--
+-- @since 0.2.5.0
+runAoC_ :: AoCOpts -> AoC a -> IO a
+runAoC_ o = either throwIO pure <=< runAoC o
 
 aocClientEnv :: String -> IO ClientEnv
 aocClientEnv s = do