diff --git a/pandoc.cabal b/pandoc.cabal
index 258c248e7..75439038a 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -209,7 +209,7 @@ Library
                  extensible-exceptions >= 0.1 && < 0.2,
                  citeproc-hs >= 0.3.4 && < 0.4,
                  pandoc-types >= 1.9.0.2 && < 1.10,
-                 json >= 0.5 && < 0.6,
+                 json >= 0.4 && < 0.6,
                  tagsoup >= 0.12.5 && < 0.13,
                  base64-bytestring >= 0.1 && < 0.2,
                  zlib >= 0.5 && <= 0.6,
@@ -302,7 +302,7 @@ Executable pandoc
                  extensible-exceptions >= 0.1 && < 0.2,
                  citeproc-hs >= 0.3.4 && < 0.4,
                  pandoc-types >= 1.9.0.2 && < 1.10,
-                 json >= 0.5 && < 0.6,
+                 json >= 0.4 && < 0.6,
                  tagsoup >= 0.12.5 && < 0.13,
                  base64-bytestring >= 0.1 && < 0.2,
                  zlib >= 0.5 && <= 0.6,