diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -19,3 +19,7 @@
 ## 1.0.0.8 - 2021-03-08
 
 No change, just fiddling with the cabal file
+
+## 1.0.0.10 - 2021-06-05
+
+Support GHC 9.0, `bytestring` 0.11
diff --git a/stripe-scotty.cabal b/stripe-scotty.cabal
--- a/stripe-scotty.cabal
+++ b/stripe-scotty.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.0
 
 name: stripe-scotty
-version: 1.0.0.8
+version: 1.0.0.10
 
 synopsis: Listen for Stripe webhook events with Scotty
 category: Web
@@ -22,7 +22,8 @@
 license-file: license.txt
 
 build-type: Simple
-tested-with: GHC==8.2.2, GHC==8.4.4, GHC==8.6.3, GHC==8.8.1, GHC==8.10.1
+tested-with: GHC==8.2.2, GHC==8.4.4, GHC==8.6.3, GHC==8.8.1, GHC==8.10.1,
+             GHC==9.0.1
 
 extra-source-files:
     changelog.md
@@ -37,7 +38,8 @@
     build-depends:
         aeson ^>= 1.4 || ^>= 1.5
       , base ^>= 4.10 || ^>= 4.11 || ^>= 4.12 || ^>= 4.13 || ^>= 4.14
-      , bytestring ^>= 0.10
+          || ^>= 4.15
+      , bytestring ^>= 0.10 || ^>= 0.11
       , http-types ^>= 0.12
       , scotty ^>= 0.11 || ^>= 0.12
       , stripe-concepts ^>= 1.0