diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,8 @@
+## 0.6.9
+
+- All modules are explicitly `Safe`.
+- Support GHC-7.0 ... GHC-8.8
+
 ## 0.6.8.2
 
 - Allow `ansi-terminal-0.8`
diff --git a/Text/PrettyPrint/ANSI/Leijen.hs b/Text/PrettyPrint/ANSI/Leijen.hs
--- a/Text/PrettyPrint/ANSI/Leijen.hs
+++ b/Text/PrettyPrint/ANSI/Leijen.hs
@@ -166,7 +166,6 @@
 import Data.Monoid (Monoid, mappend, mconcat, mempty, (<>))
 #else
 import Data.Monoid (Monoid, mappend, mconcat, mempty)
-infixr 6 <>
 #endif
 
 -- $DocumentAlgebra
diff --git a/ansi-wl-pprint.cabal b/ansi-wl-pprint.cabal
--- a/ansi-wl-pprint.cabal
+++ b/ansi-wl-pprint.cabal
@@ -1,11 +1,12 @@
 name:                ansi-wl-pprint
-version:             0.6.8.2
+version:             0.6.9
 cabal-version:       >= 1.10
 category:            User Interfaces, Text
 synopsis:            The Wadler/Leijen Pretty Printer for colored ANSI terminal output
 description:         {
 
-This is a pretty printing library based on Wadler's paper ["A Prettier Printer"](https://homepages.inf.ed.ac.uk/wadler/papers/prettier/prettier.pdf). It has been enhanced with support for ANSI terminal colored output using the [ansi-terminal](https://hackage.haskell.org/package/ansi-terminal) package.
+This is a pretty printing library based on Wadler's paper ["A Prettier Printer"](https://homepages.inf.ed.ac.uk/wadler/papers/prettier/prettier.pdf).
+It has been enhanced with support for ANSI terminal colored output using the [ansi-terminal](https://hackage.haskell.org/package/ansi-terminal) package.
 
 }
 license:             BSD3
@@ -16,7 +17,7 @@
 bug-reports:         http://github.com/ekmett/ansi-wl-pprint/issues
 homepage:            http://github.com/ekmett/ansi-wl-pprint
 build-type:          Simple
-tested-with:         GHC==7.4.2, GHC==7.6.3, GHC==7.8.4, GHC==7.10.3, GHC==8.0.2, GHC==8.2.1, GHC==8.4.1, GHC==8.5.*
+tested-with:         GHC==7.0.2, GHC==7.2.2, GHC==7.4.2, GHC==7.6.3, GHC==7.8.4, GHC==7.10.3, GHC==8.0.2, GHC==8.2.2, GHC==8.4.3, GHC==8.6.5, GHC==8.8.1
 
 source-repository head
   type: git
@@ -36,13 +37,21 @@
 
   -- See https://ghc.haskell.org/trac/ghc/wiki/Migration/8.0#base-4.9.0.0
   if impl(ghc >= 8.0)
-    ghc-options: -Wcompat -Wnoncanonical-monad-instances -Wnoncanonical-monadfail-instances
+    ghc-options: -Wcompat -Wnoncanonical-monad-instances
+    if impl(ghc < 8.8)
+      ghc-options: -Wnoncanonical-monadfail-instances
   else
     -- see also notes in Text.PrettyPrint.ANSI.Leijen
-    build-depends: semigroups >= 0.1 && < 0.19
+    build-depends: semigroups >= 0.18.5 && < 0.20
 
-  build-depends: ansi-terminal >= 0.4.0 && < 0.9
-  build-depends: base >= 4.5 && < 5
+  build-depends: ansi-terminal >= 0.9.1 && < 0.10
+  build-depends: base >= 4.3 && < 5
+
+  if impl(ghc >= 7.4)
+    default-extensions: Safe
+  else
+    if impl(ghc >= 7.2)
+      default-extensions: Trustworthy
 
 executable ansi-wl-pprint-example
   default-language: Haskell2010