diff --git a/changes.txt b/changes.txt
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,10 @@
+1.0.11.2
+--------
+
+- Released Thu 05 Apr 2018 22:56:52 CEST
+- Fixed GHC 8.2.2 support, for real.
+- Copyright bump.
+
 1.0.11.1
 --------
 
diff --git a/lentil.cabal b/lentil.cabal
--- a/lentil.cabal
+++ b/lentil.cabal
@@ -1,5 +1,5 @@
 name:                lentil
-version:             1.0.11.1
+version:             1.0.11.2
 synopsis:            frugal issue tracker
 description:         minumum effort, cohesive issue tracker based on
                      ubiquitous @TODO@s and @FIXME@s conventions.
@@ -9,7 +9,7 @@
 license-file:        LICENSE
 author:              Francesco Ariis <fa-ml@ariis.it>
 maintainer:          Francesco Ariis <fa-ml@ariis.it>
-copyright:           © 2015-2017 Francesco Ariis
+copyright:           © 2015-2018 Francesco Ariis
 category:            Development
 stability:           Stable
 build-type:          Simple
diff --git a/src/Lentil/File.hs b/src/Lentil/File.hs
--- a/src/Lentil/File.hs
+++ b/src/Lentil/File.hs
@@ -33,8 +33,9 @@
 instance Semigroup a => Semigroup (FindClause a) where
     (<>) = liftA2 (S.<>)
 
-instance Monoid a => Monoid (FindClause a) where
-    mempty = pure mempty
+instance (Semigroup a, Monoid a) => Monoid (FindClause a) where
+    mappend = (S.<>)
+    mempty  = pure mempty
 
 
 --------------
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -6,6 +6,7 @@
 import Lentil.Export
 import Data.Monoid () -- 8.2
 
+import Data.Semigroup as S
 import Options.Applicative
 
 import qualified System.IO as I
@@ -17,8 +18,8 @@
 main = I.hSetBuffering I.stderr I.NoBuffering >> -- b/c progress bar
        execParser opts >>= runLentil
     where opts = info (helpOvert <*> lOpts <* version)
-            ( fullDesc <>
-              header "lentil - frugal issue tracker" <>
+            ( fullDesc S.<>
+              header "lentil - frugal issue tracker" S.<>
               footer "manual and examples: http://www.ariis.it/static/articles/lentil-manual/page.html")
 
 -- overt help text (even in condensed help)
@@ -28,11 +29,11 @@
                                                  help "Show this help text" ]
 
 version :: Parser (a -> a)
-version = infoOption versionCopy ( long "version" <>
-                                   short 'v'      <>
+version = infoOption versionCopy ( long "version" S.<>
+                                   short 'v'      S.<>
                                    help "show version and copyright info" )
     where
-          versionCopy = "\nlentil - frugal issue tracker, version 1.0.11.1\n\
+          versionCopy = "\nlentil - frugal issue tracker, version 1.0.11.2\n\
                         \(C) 2015-2018 Francesco Ariis - http://www.ariis.it\n\
                         \released under the GNU General Public License v3\n"