diff --git a/Shake.hs b/Shake.hs
index 492a71551..087fe0f46 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc
+{- stack runghc --verbosity info
    --package base-prelude
    --package directory
    --package extra
@@ -7,6 +7,7 @@
    --package safe
    --package shake
    --package time
+   --package pandoc
 -}
 {-
 Usage: see below.
@@ -49,6 +50,7 @@ usage = [i|Usage:
 Commands:
  compile
  manpages
+ webmanual
 |]
 
 manpages :: [String]
@@ -72,10 +74,10 @@ buildDir :: FilePath
 buildDir = ".build"
 
 pandocExe :: String
-pandocExe = "pandoc"
+pandocExe = "stack exec -- pandoc" -- use the pandoc required above
 
 pandocFiltersResolver :: String
-pandocFiltersResolver = "--resolver lts-5.11"
+pandocFiltersResolver = ""
 
 main :: IO ()
 main = do
@@ -133,7 +135,7 @@ main = do
         md = manpageDir p </> p <.> "md"
         tmpl = "doc/manpage.html"
       need $ md : tmpl : pandocFilters
-      cmd "pandoc" md "--to markdown"
+      cmd pandocExe md "--to markdown"
         -- XXX assume this is compiled
         "--filter tools/pandocRemoveManonlyBlocks"
         "-o" out
@@ -157,11 +159,11 @@ main = do
     --     md = manpageDir p </> p <.> "md"
     --     tmpl = "doc/manpage.html"
     --   need [md, tmpl]
-    --   cmd "pandoc" md "--to html --filter tools/pandocRemoveManpageBlocks.hs --template" tmpl "-o" out
+    --   cmd pandocExe md "--to html --filter tools/pandocRemoveManpageBlocks.hs --template" tmpl "-o" out
 
     -- "site/manual2.html" %> \out -> do
     --   need ["site/manual2.md"]
-    --   cmd "pandoc site/manual2.md -o" out
+    --   cmd pandocExe "site/manual2.md -o" out
 
     -- "_build//*.o" %> \out -> do
     --     let c = dropDirectory1 $ out -<.> "c"
diff --git a/tools/pandocCapitalizeHeaders.hs b/tools/pandocCapitalizeHeaders.hs
index ed7968563..0e9cb393c 100755
--- a/tools/pandocCapitalizeHeaders.hs
+++ b/tools/pandocCapitalizeHeaders.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 import Text.Pandoc.Walk
diff --git a/tools/pandocRemoveHtmlBlocks.hs b/tools/pandocRemoveHtmlBlocks.hs
index 839600181..8e9ccc630 100755
--- a/tools/pandocRemoveHtmlBlocks.hs
+++ b/tools/pandocRemoveHtmlBlocks.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 
diff --git a/tools/pandocRemoveHtmlInlines.hs b/tools/pandocRemoveHtmlInlines.hs
index be8be5b76..6cb4f3538 100755
--- a/tools/pandocRemoveHtmlInlines.hs
+++ b/tools/pandocRemoveHtmlInlines.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 
diff --git a/tools/pandocRemoveLinks.hs b/tools/pandocRemoveLinks.hs
index 7ff7506b0..28551a11a 100755
--- a/tools/pandocRemoveLinks.hs
+++ b/tools/pandocRemoveLinks.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 
diff --git a/tools/pandocRemoveManonlyBlocks.hs b/tools/pandocRemoveManonlyBlocks.hs
index ec3a8ef3f..b1f849923 100755
--- a/tools/pandocRemoveManonlyBlocks.hs
+++ b/tools/pandocRemoveManonlyBlocks.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.Builder
 import Text.Pandoc.JSON
diff --git a/tools/pandocRemoveNotes.hs b/tools/pandocRemoveNotes.hs
index 29de813d3..36c8cc9c3 100755
--- a/tools/pandocRemoveNotes.hs
+++ b/tools/pandocRemoveNotes.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.JSON
 
diff --git a/tools/pandocRemoveWebonlyBlocks.hs b/tools/pandocRemoveWebonlyBlocks.hs
index 180a64c28..791bf8348 100755
--- a/tools/pandocRemoveWebonlyBlocks.hs
+++ b/tools/pandocRemoveWebonlyBlocks.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack runghc --verbosity info --resolver lts-5.11 --package pandoc-types-1.16.1 -}
+{- stack runghc --verbosity info --package pandoc-types-1.16.1 -}
 
 import Text.Pandoc.Builder
 import Text.Pandoc.JSON