diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+3.8.7 [maintenance release]
+-----
+* Fixed dependencies to build with `base < 4.4`.
+
 3.8.6 [maintenance release]
 -----
 * Fixed an issue with `DefaultSignatures` being used outside of the appropriate `#ifdef` that caused compilation issues on GHC 7.0.2.
diff --git a/lens.cabal b/lens.cabal
--- a/lens.cabal
+++ b/lens.cabal
@@ -1,6 +1,6 @@
 name:          lens
 category:      Data, Lenses
-version:       3.8.6
+version:       3.8.7
 license:       BSD3
 cabal-version: >= 1.8
 license-file:  LICENSE
diff --git a/src/Control/Lens/Internal/ByteString.hs b/src/Control/Lens/Internal/ByteString.hs
--- a/src/Control/Lens/Internal/ByteString.hs
+++ b/src/Control/Lens/Internal/ByteString.hs
@@ -3,6 +3,9 @@
 {-# LANGUAGE BangPatterns #-}
 {-# LANGUAGE PatternGuards #-}
 {-# LANGUAGE FlexibleContexts #-}
+#ifndef MIN_VERSION_base
+#define MIN_VERSION_base(x,y,z) 1
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Data.ByteString.Strict.Lens
@@ -36,8 +39,12 @@
 import Data.Word (Word8)
 import Foreign.Ptr
 import Foreign.Storable
+#ifdef MIN_VERSION_base(4,4,0)
 import Foreign.ForeignPtr.Safe
 import Foreign.ForeignPtr.Unsafe
+#else
+import Foreign.ForeignPtr
+#endif
 import GHC.Base (unsafeChr)
 import GHC.ForeignPtr (mallocPlainForeignPtrBytes)
 import GHC.IO (unsafeDupablePerformIO)