diff --git a/pandoc.cabal b/pandoc.cabal
index d27520ba0..ae4e8b341 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -440,7 +440,7 @@ library
                  aeson                 >= 0.7      && < 1.6,
                  aeson-pretty          >= 0.8.5    && < 0.9,
                  attoparsec            >= 0.12     && < 0.14,
-                 base64-bytestring     >= 0.1      && < 1.2,
+                 base64-bytestring     >= 0.1      && < 1.3,
                  binary                >= 0.7      && < 0.11,
                  blaze-html            >= 0.9      && < 0.10,
                  blaze-markup          >= 0.8      && < 0.9,
@@ -742,7 +742,7 @@ test-suite test-pandoc
                   Diff              >= 0.2     && < 0.5,
                   Glob              >= 0.7     && < 0.11,
                   QuickCheck        >= 2.4     && < 2.15,
-                  base64-bytestring >= 0.1     && < 1.2,
+                  base64-bytestring >= 0.1     && < 1.3,
                   bytestring        >= 0.9     && < 0.12,
                   containers        >= 0.4.2.1 && < 0.7,
                   directory         >= 1.2.3   && < 1.4,