diff --git a/Source/IO.hs b/Source/IO.hs
--- a/Source/IO.hs
+++ b/Source/IO.hs
@@ -33,7 +33,10 @@
     hClose,
     doesFileExist,
     removeFile,
-    PIO.Handle
+    PIO.Handle,
+    SIO.stdin,
+    SIO.stdout,
+    SIO.stderr
     ) where
 
 import Lawless
diff --git a/liblawless.cabal b/liblawless.cabal
--- a/liblawless.cabal
+++ b/liblawless.cabal
@@ -1,5 +1,5 @@
 name:                liblawless
-version:             0.19.3
+version:             0.19.4
 synopsis:            Prelude based on protolude for GHC 8 and beyond.
 license:             GPL-3
 license-file:        LICENSE
@@ -28,7 +28,7 @@
 source-repository this
   type:     git
   location:   git@gitlab.com:misandrist/liblawless.git
-  tag: v0.19.3
+  tag: v0.19.4
 
 library
   ghc-options: -Wall -Wno-redundant-constraints -O2
