diff --git a/servant-mock.cabal b/servant-mock.cabal
index 01600f6..0be89a9 100644
--- a/servant-mock.cabal
+++ b/servant-mock.cabal
@@ -24,6 +24,7 @@ tested-with:
    || ==8.6.5
    || ==8.8.1
    || ==8.10.4
+   || ==9.0.1
 
 extra-source-files:  README.md CHANGELOG.md include/*.h
 
@@ -40,7 +41,7 @@ library
   exposed-modules:
     Servant.Mock
   build-depends:
-    base            >=4.9      && <4.15,
+    base            >=4.9      && <4.16,
     base-compat     >=0.10.5   && <0.12,
     bytestring      >=0.10.8.1 && <0.11,
     http-types      >=0.12.2   && <0.13,