diff --git a/proto3-wire.cabal b/proto3-wire.cabal
index 92ac751..c1f3c6c 100644
--- a/proto3-wire.cabal
+++ b/proto3-wire.cabal
@@ -39,13 +39,13 @@ library
       base >=4.12 && <=5.0
     , bytestring >=0.10.6.0 && <0.13.0
     , cereal >= 0.5.1 && <0.6
-    , containers >=0.5 && <0.8
+    , containers >=0.5 && <0.9
     , deepseq >=1.4 && <1.6
     , hashable <1.6
     , parameterized >=0.5.0.0 && <1
     , primitive >=0.6.4 && <0.10
     , safe ==0.3.*
-    , template-haskell >= 2.15.0 && < 2.24
+    , template-haskell >= 2.15.0 && < 2.25
     , text >= 0.2 && <2.2
     , text-short ==0.1.*
     , transformers >=0.5.6.2 && <0.7
@@ -80,7 +80,7 @@ test-suite tests
       base >=4.9 && <=5.0
     , bytestring >=0.10.6.0 && <0.13.0
     , cereal >= 0.5.1 && <0.6
-    , containers >=0.5 && <0.8
+    , containers >=0.5 && <0.9
     , doctest >= 0.7.0 && <0.25.0
     , proto3-wire
     , QuickCheck >=2.8 && <3.0
diff --git a/src/Proto3/Wire/Encode/Repeated.hs b/src/Proto3/Wire/Encode/Repeated.hs
index f3f5df9..e1d7369 100644
--- a/src/Proto3/Wire/Encode/Repeated.hs
+++ b/src/Proto3/Wire/Encode/Repeated.hs
@@ -514,7 +514,7 @@ instance ToRepeated (Reverse Data.IntSet.IntSet) Data.IntSet.Key
 
     foldMapRepeatedSource =
 #if MIN_VERSION_containers(0,8,0)
-      \f (Reverse xs) -> getDual (Data.IntSet.foldMap (\x -> Dual (f x)) xs
+      \f (Reverse xs) -> getDual (Data.IntSet.foldMap (\x -> Dual (f x)) xs)
 #else
       \f (Reverse xs) -> Data.IntSet.foldr (\x a -> a <> f x) mempty xs
 #endif