diff --git a/servant-http-streams/servant-http-streams.cabal b/servant-http-streams/servant-http-streams.cabal
index 2fc80c0f..0e66e19e 100644
--- a/servant-http-streams/servant-http-streams.cabal
+++ b/servant-http-streams/servant-http-streams.cabal
@@ -72,7 +72,7 @@ library
     , monad-control         >= 1.0.2.3  && < 1.1
     , semigroupoids         >= 5.3.1    && < 5.4
     , transformers-base     >= 0.4.5.2  && < 0.5
-    , transformers-compat   >= 0.6.2    && < 0.7
+    , transformers-compat   >= 0.6.2    && < 0.8
 
   hs-source-dirs: src
   default-language: Haskell2010
diff --git a/servant/servant.cabal b/servant/servant.cabal
index 29836fb8..9c617ae4 100644
--- a/servant/servant.cabal
+++ b/servant/servant.cabal
@@ -106,7 +106,7 @@ library
     , deepseq                >= 1.4.2.0  && < 1.5
     , http-media             >= 0.7.1.3  && < 0.9
     , http-types             >= 0.12.2   && < 0.13
-    , mmorph                 >= 1.1.2    && < 1.2
+    , mmorph                 >= 1.1.2    && < 1.3
     , network-uri            >= 2.6.1.0  && < 2.7
     , QuickCheck             >= 2.12.6.1 && < 2.15
     , string-conversions     >= 0.4.0.1  && < 0.5