diff --git a/System/Process.hs b/System/Process.hs
--- a/System/Process.hs
+++ b/System/Process.hs
@@ -77,7 +77,7 @@
 
 import Control.Concurrent
 import Control.DeepSeq (rnf)
-import Control.Exception (SomeException, mask, bracket, try, throwIO)
+import Control.Exception (SomeException, mask, allowInterrupt, bracket, try, throwIO)
 import qualified Control.Exception as C
 import Control.Monad
 import Data.Maybe
@@ -209,7 +209,7 @@
 --
 -- e.g.
 --
--- > withCreateProcess (proc cmd args) { ... }  $ \_ _ _ ph -> do
+-- > withCreateProcess (proc cmd args) { ... }  $ \stdin stdout stderr ph -> do
 -- >   ...
 --
 -- @since 1.4.3.0
@@ -589,7 +589,7 @@
     OpenHandle h  -> do
         e <- alloca $ \pret -> do
           -- don't hold the MVar while we call c_waitForProcess...
-          throwErrnoIfMinus1Retry_ "waitForProcess" (c_waitForProcess h pret)
+          throwErrnoIfMinus1Retry_ "waitForProcess" (allowInterrupt >> c_waitForProcess h pret)
           modifyProcessHandle ph $ \p_' ->
             case p_' of
               ClosedHandle e  -> return (p_', e)
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,12 @@
 # Changelog for [`process` package](http://hackage.haskell.org/package/process)
 
-## 1.6.1.1 *July 2017*
+## 1.6.2.0 *October 2017*
+
+* Allow async exceptions to be delivered to masked thread calling `waitForProcess`
+  [#101](https://github.com/haskell/process/pull/101)
+* Update Win32 package version to 2.6.x
+
+## 1.6.1.0 *July 2017*
 
 * Expose `CGid`, `GroupID`, and `UserID` from `System.Process.Internals`
   [#90](https://github.com/haskell/process/issues/90)
diff --git a/process.cabal b/process.cabal
--- a/process.cabal
+++ b/process.cabal
@@ -1,5 +1,5 @@
 name:          process
-version:       1.6.1.0
+version:       1.6.2.0
 -- NOTE: Don't forget to update ./changelog.md
 license:       BSD3
 license-file:  LICENSE
@@ -56,7 +56,7 @@
     other-modules: System.Process.Common
     if os(windows)
         other-modules: System.Process.Windows
-        build-depends: Win32 >=2.2 && < 2.6
+        build-depends: Win32 >=2.2 && < 2.7
         extra-libraries: kernel32
         cpp-options: -DWINDOWS
     else
@@ -74,7 +74,7 @@
 
     ghc-options: -Wall
 
-    build-depends: base      >= 4.4 && < 4.11,
+    build-depends: base      >= 4.4 && < 4.12,
                    directory >= 1.1 && < 1.4,
                    filepath  >= 1.2 && < 1.5,
                    deepseq   >= 1.1 && < 1.5
diff --git a/test/main.hs b/test/main.hs
--- a/test/main.hs
+++ b/test/main.hs
@@ -1,5 +1,5 @@
 import Control.Exception
-import Control.Monad (unless, void)
+import Control.Monad (guard, unless, void)
 import System.Exit
 import System.IO.Error
 import System.Directory (getCurrentDirectory, setCurrentDirectory)
@@ -81,6 +81,19 @@
       unless (e1 == ExitSuccess && e2 == ExitSuccess)
             $ error "sleep exited with non-zero exit code!"
 
+    do
+      putStrLn "interrupt masked waitForProcess"
+      (_, _, _, p) <- createProcess (proc "sleep" ["1.0"])
+      mec <- newEmptyMVar
+      tid <- mask_ . forkIO $
+          (waitForProcess p >>= putMVar mec . Just)
+              `catchThreadKilled` putMVar mec Nothing
+      killThread tid
+      eec <- takeMVar mec
+      case eec of
+        Nothing -> return ()
+        Just ec -> error $ "waitForProcess not interrupted: sleep exited with " ++ show ec
+
     putStrLn "Tests passed successfully"
 
 withCurrentDirectory :: FilePath -> IO a -> IO a
@@ -90,3 +103,6 @@
     (setCurrentDirectory new)
     (setCurrentDirectory orig)
     inner
+
+catchThreadKilled :: IO a -> IO a -> IO a
+catchThreadKilled f g = catchJust (\e -> guard (e == ThreadKilled)) f (\() -> g)