diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,10 @@
 
 `wai-middleware-delegate` uses [PVP Versioning][1].
 
+## 0.1.4.1 -- 2024-03-17
+
+* Relax the upper bounds on bytestring to allow bytestring 0.12.1
+
 ## 0.1.4.0 -- 2023-17-11
 
 * Relax the upper bounds on bytestring to allow bytestring 0.12.1
diff --git a/wai-middleware-delegate.cabal b/wai-middleware-delegate.cabal
--- a/wai-middleware-delegate.cabal
+++ b/wai-middleware-delegate.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               wai-middleware-delegate
-version:            0.1.4.0
+version:            0.1.4.1
 synopsis:           WAI middleware that delegates handling of requests.
 description:
   [WAI](http://hackage.haskell.org/package/wai) middleware that intercepts requests
@@ -37,7 +37,7 @@
     , async              ^>=2.2.1
     , base               >=4.10      && <5
     , blaze-builder      ^>=0.4.1.0
-    , bytestring         >=0.10.8.2  && <0.11 || >=0.11.3.1 && <0.12.1
+    , bytestring         >=0.10.8.2  && <0.11 || >=0.11.3.1 && <0.13.0
     , case-insensitive   ^>=1.2.0.11
     , conduit            ^>=1.3.0.3
     , conduit-extra      ^>=1.3.0