diff --git a/hzulip.cabal b/hzulip.cabal
--- a/hzulip.cabal
+++ b/hzulip.cabal
@@ -1,5 +1,5 @@
 name:                hzulip
-version:             1.1.1.0
+version:             1.1.1.1
 synopsis:            A haskell wrapper for the Zulip API.
 description:         This a Zulip API wrapper for Haskell.
 homepage:            https://github.com/yamadapc/hzulip
@@ -27,7 +27,7 @@
                      , http-client-tls
                      , http-types
                      , exceptions >=0.6 && <0.7
-                     , mtl >=2.1 && <2.2
+                     , mtl >=2.1 && <=2.2
                      , transformers
                      , lens >=4.4 && <5
                      , aeson >=0.7 && <1
@@ -51,14 +51,14 @@
                      , http-client-tls
                      , http-types
                      , exceptions >=0.6 && <0.7
-                     , mtl >=2.1 && <2.2
+                     , mtl >=2.1 && <=2.2
                      , transformers
                      , lens >=4.4 && <5
                      , aeson >=0.7 && <1
                      , scotty >=0.9 && <0.10
                      , lens-aeson >=1 && <2
                      , bytestring >=0.10 && <1
-                     , hspec >=1.11 && <2
+                     , hspec >=1.11 && <=2.1
                      , raw-strings-qq >=1.0.2 && <2
                      , text >=1.2 &&<1.3
   default-language:    Haskell2010