diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,11 @@
 # Revision history for reflex
 
-## Unreleased
+## 0.8.2.2
+
+* Require witherable >= 0.4 and, hence, a newer monoidal-containers
+* Support newer constraints-extras (0.4)
+
+## 0.8.2.1
 
 * Fix build for GHC 9.2
 * Require patch >= 0.0.7.0
diff --git a/reflex.cabal b/reflex.cabal
--- a/reflex.cabal
+++ b/reflex.cabal
@@ -1,5 +1,5 @@
 Name: reflex
-Version: 0.8.2.1
+Version: 0.8.2.2
 Synopsis: Higher-order Functional Reactive Programming
 Description:
   Interactive programs without callbacks or side-effects.
@@ -76,7 +76,7 @@
     comonad >= 5.0.4 && < 5.1,
     commutative-semigroups >= 0.1 && <0.2,
     constraints >= 0.10 && <0.14,
-    constraints-extras >= 0.3 && < 0.4,
+    constraints-extras >= 0.3 && < 0.5,
     containers >= 0.6 && < 0.7,
     data-default >= 0.5 && < 0.8,
     dependent-map >= 0.3 && < 0.5,
@@ -98,12 +98,12 @@
     time >= 1.4 && < 1.12,
     transformers >= 0.5.6.0 && < 0.6,
     unbounded-delays >= 0.1.0.0 && < 0.2,
-    witherable >= 0.3 && < 0.5
+    witherable >= 0.4 && < 0.5
 
   if flag(split-these)
     build-depends:     these >= 1 && <1.3,
                        semialign >=1 && <1.3,
-                       monoidal-containers >= 0.6 && < 0.7
+                       monoidal-containers >= 0.6.2.0 && < 0.7
   else
     build-depends:     these >= 0.4 && <0.9,
                        monoidal-containers == 0.4.0.0
diff --git a/test/RequesterT.hs b/test/RequesterT.hs
--- a/test/RequesterT.hs
+++ b/test/RequesterT.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE ConstraintKinds #-}
 {-# LANGUAGE BangPatterns #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}