diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -30,6 +30,14 @@
          caption="my **caption**" delimiter="," quotechar="\"" }
     ```
 
+
+## Usage
+
+Prepare a markdown file containing a fenced code block like the ones above, then:
+
+    pandoc --filter pandoc-placetable input.md
+
+
 Alternatively, the program can be used as an ad-hoc csv-reader and run without a markdown file.
 Then the options can be provided as command-line arguments. For example:
 
@@ -85,11 +93,6 @@
     cd pandoc-placetable
     stack install --flag pandoc-placetable:inlineMarkdown pandoc-placetable
 
-## Usage
-
-Prepare a markdown file containing a fenced code block like the ones above, then:
-
-    pandoc --filter pandoc-placetable input.md
 
 ## Acknowledgments
 
diff --git a/pandoc-placetable.cabal b/pandoc-placetable.cabal
--- a/pandoc-placetable.cabal
+++ b/pandoc-placetable.cabal
@@ -1,5 +1,5 @@
 Name:                 pandoc-placetable
-Version:              0.4.2
+Version:              0.5
 Build-Type:           Simple
 Synopsis:             Pandoc filter to include CSV files
 Description:          A Pandoc filter that replaces code blocks (that have the class `table`)
@@ -23,21 +23,23 @@
 
 Flag inlineMarkdown
   Default: False
+  Manual:  True
   Description:        Require entire Pandoc as a dependency so it can be used to compile
                       inline markdown in the CSV and caption if desired.
 
 Executable pandoc-placetable
   Main-Is:            pandoc-placetable.hs
-  Build-Depends:      aeson >= 0.7 && < 1.1,
-                      base >=4.2 && < 5,
+  Build-Depends:      aeson >= 0.7,
+                      base >= 4.7 && < 5,
                       bytestring >= 0.10,
+                      text >= 1.2,
                       utf8-string >= 1.0,
                       http-conduit >= 2.1.11,
-                      spreadsheet >= 0.1.3 && < 0.1.4,
-                      explicit-exception == 0.1.*,
+                      spreadsheet >= 0.1.3,
+                      explicit-exception >= 0.1.0,
                       pandoc-types >= 1.12.0.0
   If flag(inlineMarkdown)
-    Build-Depends:    pandoc >= 1.14.0.0
+    Build-Depends:    pandoc >= 2.1
     cpp-options:      -DINLINE_MARKDOWN
   Buildable:          True
   Default-Language:   Haskell2010
diff --git a/pandoc-placetable.hs b/pandoc-placetable.hs
--- a/pandoc-placetable.hs
+++ b/pandoc-placetable.hs
@@ -11,6 +11,7 @@
 import Data.Monoid (mempty)
 import Data.Char (toUpper)
 import Data.List (isSuffixOf)
+import qualified Data.Text as T
 import Data.Version (showVersion)
 import Network.HTTP.Conduit
 import Paths_pandoc_placetable (version)
@@ -30,6 +31,7 @@
                            , divWith )
 
 #if defined(INLINE_MARKDOWN)
+import Text.Pandoc.Class (runPure)
 import Text.Pandoc.Readers.Markdown
 import Text.Pandoc.Options
 #endif
@@ -131,11 +133,11 @@
     , Option "v" ["version"]
         (NoArg
           (\_ -> do
-            #if defined(INLINE_MARKDOWN)
+#if defined(INLINE_MARKDOWN)
             let withInlineMarkdown = "with"
-            #else
+#else
             let withInlineMarkdown = "without"
-            #endif
+#endif
             hPutStrLn stderr $ unlines [
                 "pandoc-placetable " ++ showVersion version
               , "Compiled " ++ withInlineMarkdown ++ " the inlineMarkdown flag."
@@ -240,7 +242,7 @@
            let s' = "# " ++ (concat $ lines s)
                extractIns (Header _ _ ins) = ins
                extractIns _ = []
-           in  case readMarkdown def s' of
+           in  case runPure (readMarkdown def $ T.pack s') of
                  Right (Pandoc _ bs) -> fromList $ extractIns $ head bs
                  Left e -> str $ show e
          else
@@ -251,7 +253,7 @@
     strToBlocks s =
       if optInlineMarkdown opts
          then
-           case readMarkdown def s of
+           case runPure (readMarkdown def $ T.pack s) of
              Right (Pandoc _ bs) -> fromList bs
              Left e -> plain $ str $ show e
          else
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,10 +1,7 @@
-resolver: lts-7.8
+resolver: lts-11.7
 
 packages:
 - '.'
-
-extra-deps:
-  - spreadsheet-0.1.3.4
 
 flags: {}