diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,6 @@
+## Changes in 0.10.5 [2018.10.18]
+ - Enable `BangPatterns` in `Prelude.Compat`.
+
 ## Changes in 0.10.4 [2018.07.03]
  - Make more modules `Trustworthy`. In particular, fix a regression in which
    `Prelude.Compat` was inferred as `Unsafe` by explicitly marking it as
diff --git a/README.markdown b/README.markdown
--- a/README.markdown
+++ b/README.markdown
@@ -303,6 +303,7 @@
 ## Supported versions of GHC/`base`
 
  * `ghc-8.6.1`  / `base-4.12.0.0`
+ * `ghc-8.4.4`  / `base-4.11.1.0`
  * `ghc-8.4.3`  / `base-4.11.1.0`
  * `ghc-8.4.2`  / `base-4.11.1.0`
  * `ghc-8.4.1`  / `base-4.11.0.0`
diff --git a/base-compat.cabal b/base-compat.cabal
--- a/base-compat.cabal
+++ b/base-compat.cabal
@@ -1,5 +1,5 @@
 name:             base-compat
-version:          0.10.4
+version:          0.10.5
 license:          MIT
 license-file:     LICENSE
 copyright:        (c) 2012-2018 Simon Hengel,
@@ -43,16 +43,16 @@
                   module with the suffix @.Repl@, which are distinct from
                   anything in @base-compat-batteries@, to allow for easier
                   use in GHCi.
-tested-with:        GHC == 7.0.1,  GHC == 7.0.2,  GHC == 7.0.3,  GHC == 7.0.4
-                  , GHC == 7.2.1,  GHC == 7.2.2
-                  , GHC == 7.4.1,  GHC == 7.4.2
-                  , GHC == 7.6.1,  GHC == 7.6.2,  GHC == 7.6.3
-                  , GHC == 7.8.1,  GHC == 7.8.2,  GHC == 7.8.3,  GHC == 7.8.4
-                  , GHC == 7.10.1, GHC == 7.10.2, GHC == 7.10.3
-                  , GHC == 8.0.1,  GHC == 8.0.2
-                  , GHC == 8.2.1,  GHC == 8.2.2
-                  , GHC == 8.4.1,  GHC == 8.4.2,  GHC == 8.4.3
-                  , GHC == 8.6.1
+tested-with:        GHC == 7.0.*
+                  , GHC == 7.2.*
+                  , GHC == 7.4.*
+                  , GHC == 7.6.*
+                  , GHC == 7.8.*
+                  , GHC == 7.10.*
+                  , GHC == 8.0.*
+                  , GHC == 8.2.*
+                  , GHC == 8.4.*
+                  , GHC == 8.6.*
 extra-source-files: CHANGES.markdown, README.markdown
 
 source-repository head
diff --git a/src/Prelude/Compat.hs b/src/Prelude/Compat.hs
--- a/src/Prelude/Compat.hs
+++ b/src/Prelude/Compat.hs
@@ -3,6 +3,7 @@
 {-# LANGUAGE Trustworthy #-}
 #endif
 #if MIN_VERSION_base(4,10,0) && !(MIN_VERSION_base(4,12,0))
+{-# LANGUAGE BangPatterns #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE TypeInType #-}
 #endif