diff --git a/CHANGELOG.rst b/CHANGELOG.rst
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,19 @@
 
 .. _PVP: https://pvp.haskell.org/
 
+
+2.4.0.5 (2023-06-17)
+--------------------
+
+* Git: :tag:`dejafu-2.4.0.5`
+* Hackage: :hackage:`dejafu-2.4.0.5`
+
+Miscellaneous
+~~~~~~~~~~~~~
+
+* The upper bound on :hackage:`transformers` is <0.7.
+
+
 2.4.0.4 (2022-08-22)
 --------------------
 
diff --git a/dejafu.cabal b/dejafu.cabal
--- a/dejafu.cabal
+++ b/dejafu.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                dejafu
-version:             2.4.0.4
+version:             2.4.0.5
 synopsis:            A library for unit-testing concurrent programs.
 
 description:
@@ -33,7 +33,7 @@
 source-repository this
   type:     git
   location: https://github.com/barrucadu/dejafu.git
-  tag:      dejafu-2.4.0.4
+  tag:      dejafu-2.4.0.5
 
 library
   exposed-modules:     Test.DejaFu
@@ -67,7 +67,7 @@
                      , leancheck         >=0.6 && <2
                      , profunctors       >=4.0 && <6
                      , random            >=1.0 && <1.3
-                     , transformers      >=0.5 && <0.6
+                     , transformers      >=0.5 && <0.7
   -- hs-source-dirs:      
   default-language:    Haskell2010
   ghc-options:         -Wall