diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d43faa3..28b625b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,6 +25,8 @@ jobs:
           - "9.0.2"
           - "9.2.7"
           - "9.4.4"
+          - "9.6.3"
+          - "9.8.1"
         exclude:
           - os: macOS-latest
             ghc: 9.2.7
diff --git a/test/Test/Toml/Gen.hs b/test/Test/Toml/Gen.hs
index 2fda370..c7a6664 100644
--- a/test/Test/Toml/Gen.hs
+++ b/test/Test/Toml/Gen.hs
@@ -114,7 +114,7 @@ genPiece = Piece <$> Gen.choice [bare, quoted]
     bare = liftA2 Text.cons Gen.alpha $ Gen.text (Range.constant 1 10) alphadashes
 
     alphadashes :: Gen Char
-    alphadashes = Gen.choice [Gen.alphaNum, Gen.element "_-"]
+    alphadashes = Gen.choice [Gen.alphaNum, Gen.element ("_-" :: [Char])]
 
     quoted :: Gen Text
     quoted = genNotEscape $ Gen.choice
diff --git a/tomland.cabal b/tomland.cabal
index 7987aa6..318352b 100644
--- a/tomland.cabal
+++ b/tomland.cabal
@@ -57,7 +57,7 @@ flag build-play-tomland
   manual:              True
 
 common common-options
-  build-depends:       base >= 4.11 && < 4.18
+  build-depends:       base >= 4.11 && < 4.20
 
   ghc-options:         -Wall
                        -Wcompat
@@ -133,12 +133,12 @@ library
 
   build-depends:       bytestring >= 0.10 && < 0.12
                      , containers >= 0.5.7 && < 0.7
-                     , deepseq ^>= 1.4
+                     , deepseq >= 1.4 && < 1.6
                      , hashable >= 1.3.1.0 && < 1.5
-                     , megaparsec >= 7.0.5 && < 9.4
+                     , megaparsec >= 7.0.5 && < 9.7
                      , mtl >= 2.2 && < 2.4
                      , parser-combinators >= 1.1.0 && < 1.4
-                     , text >= 1.2 && < 2.1
+                     , text >= 1.2 && < 2.2
                      , time >= 1.8 && < 1.14
                      , unordered-containers ^>= 0.2.7
                      , validation-selective >= 0.1.0 && < 0.3
@@ -226,8 +226,8 @@ test-suite tomland-test
   build-depends:       bytestring
                      , containers >= 0.5.7 && < 0.7
                      , hashable
-                     , hedgehog >= 1.0.1 && < 1.3
-                     , hspec >= 2.7.1 && < 2.11
+                     , hedgehog >= 1.0.1 && < 1.5
+                     , hspec >= 2.7.1 && < 2.12
                      , hspec-hedgehog ^>= 0.0.1
                      , hspec-megaparsec >= 2.0.0 && < 2.3.0
                      , megaparsec