diff --git a/yesod-markdown.cabal b/yesod-markdown.cabal
index 6cb10d6..d8bbc0a 100644
--- a/yesod-markdown.cabal
+++ b/yesod-markdown.cabal
@@ -18,7 +18,7 @@ library
   build-depends:        base            >= 4     && < 5
                       , text            >= 0.11  && < 2.0
                       , bytestring      >= 0.9   && < 0.11
-                      , pandoc          >= 1.16  && < 1.18
+                      , pandoc          >= 1.16  && < 1.20
                       , blaze-html      >= 0.5   && < 0.9
                       , blaze-markup    >= 0.5   && < 0.8
                       , xss-sanitize    >= 0.3.1 && < 0.4