diff --git a/google-oauth2-jwt.cabal b/google-oauth2-jwt.cabal
--- a/google-oauth2-jwt.cabal
+++ b/google-oauth2-jwt.cabal
@@ -1,5 +1,5 @@
 name:                google-oauth2-jwt
-version:             0.3.2
+version:             0.3.3
 synopsis:            Get a signed JWT for Google Service Accounts
 description:         This library implements the creation of the
                      signed JWT for Google Service Accounts.
@@ -8,19 +8,19 @@
 license-file:        LICENSE
 author:              Michel Boucey
 maintainer:          michel.boucey@gmail.com
-copyright:           (c) 2016-2020 - Michel Boucey
+copyright:           (c) 2016-2021 - Michel Boucey
 category:            Google
 build-type:          Simple
 extra-source-files:  README.md
 cabal-version:       >= 1.10
 
-Tested-With: GHC ==8.4.3 || ==8.6.5 || ==8.8.1
+Tested-With: GHC ==8.4.4 || ==8.6.5 || ==8.8.4 || ==8.10.4 || ==9.0.1
 
 library
   hs-source-dirs:   src
   exposed-modules:  Network.Google.OAuth2.JWT
   build-depends:    base                >= 4.7      && < 5
-                  , base64-bytestring   >= 1.0.0    && < 1.1
+                  , base64-bytestring   >= 1.0.0    && < 1.2.0.1
                   , bytestring          >= 0.10.6   && < 0.11
                   , HsOpenSSL           >= 0.11.1.1 && < 0.12
                   , RSA                 >= 2.1.0.3  && < 2.5