diff --git a/.github/workflows/haskell-ci.yaml b/.github/workflows/haskell-ci.yaml
index b80a38e..15334ba 100644
--- a/.github/workflows/haskell-ci.yaml
+++ b/.github/workflows/haskell-ci.yaml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ['8.0.2', '8.2.2', '8.4.4', '8.6.5', '8.8.4', '8.10.7', '9.0.2', '9.2.8', '9.4.8', '9.6.7', '9.8.4', '9.10.3', '9.12.2']
+        ghc: ['8.0.2', '8.2.2', '8.4.4', '8.6.5', '8.8.4', '8.10.7', '9.0.2', '9.2.8', '9.4.8', '9.6.7', '9.8.4', '9.10.3', '9.12.2', '9.14.1']
     steps:
       - uses: actions/checkout@v5
       - uses: haskell-actions/setup@v2
diff --git a/pqueue.cabal b/pqueue.cabal
index 0996ac6..88e3841 100644
--- a/pqueue.cabal
+++ b/pqueue.cabal
@@ -1,8 +1,9 @@
+cabal-version:      2.2
 name:               pqueue
 version:            1.6.0.0
 category:           Data Structures
 author:             Louis Wasserman
-license:            BSD3
+license:            BSD-3-Clause
 license-file:       LICENSE
 stability:          experimental
 synopsis:           Reliable, persistent, fast priority queues.
@@ -14,8 +15,8 @@ maintainer:         Lennart Spitzner <hexagoxel@hexagoxel.de>,
 homepage:           https://github.com/lspitzner/pqueue
 bug-reports:        https://github.com/lspitzner/pqueue/issues
 build-type:         Simple
-cabal-version:      >= 1.10
 tested-with:
+  GHC == 9.14.1
   GHC == 9.12.2
   GHC == 9.10.3
   GHC == 9.8.4
@@ -30,7 +31,7 @@ tested-with:
   GHC == 8.2.2
   GHC == 8.0.2
 
-extra-source-files:
+extra-doc-files:
   CHANGELOG.md
   README.md
 
@@ -43,10 +44,9 @@ library
   default-language:
     Haskell2010
   build-depends:
-  { base >= 4.9 && < 4.22
-  , deepseq >= 1.3 && < 1.6
-  , indexed-traversable >= 0.1 && < 0.2
-  }
+    , base >= 4.9 && < 4.23
+    , deepseq >= 1.3 && < 1.6
+    , indexed-traversable >= 0.1 && < 0.2
   exposed-modules:
     Data.PQueue.Prio.Min
     Data.PQueue.Prio.Max
@@ -62,9 +62,8 @@ library
     Data.PQueue.Internals.Down
     Data.PQueue.Prio.Max.Internals
     Nattish
-  if impl(ghc) {
+  if impl(ghc)
     default-extensions: DeriveDataTypeable
-  }
   other-extensions:
       BangPatterns
     , CPP
@@ -82,12 +81,11 @@ test-suite test
   type: exitcode-stdio-1.0
   main-is: PQueueTests.hs
   build-depends:
-  { base >= 4.9 && < 4.22
-  , deepseq >= 1.3 && < 1.6
-  , indexed-traversable >= 0.1 && < 0.2
-  , tasty
-  , tasty-quickcheck
-  }
+    , base >= 4.9 && < 4.23
+    , deepseq >= 1.3 && < 1.6
+    , indexed-traversable >= 0.1 && < 0.2
+    , tasty
+    , tasty-quickcheck
   other-modules:
     Data.PQueue.Prio.Min
     Data.PQueue.Prio.Max
@@ -108,9 +106,8 @@ test-suite test
     Validity.PQueue.Prio.BinomialQueue
     Validity.PQueue.Prio.Min
     Validity.PQueue.Prio.Max
-  if impl(ghc) {
+  if impl(ghc)
     default-extensions: DeriveDataTypeable
-  }
   ghc-options:
     -Wall
     -fno-warn-type-defaults
@@ -126,11 +123,11 @@ benchmark minqueue-benchmarks
     KWay.RandomIncreasing
   ghc-options:      -O2
   build-depends:
-      base          >= 4.9 && < 5
+    , base          >= 4.9 && < 5
     , pqueue
     , deepseq       >= 1.3 && < 1.6
     , random        >= 1.2 && < 1.4
-    , tasty-bench   >= 0.3 && < 0.5
+    , tasty-bench   >= 0.3 && < 0.6
 
 benchmark minpqueue-benchmarks
   default-language: Haskell2010
@@ -143,8 +140,8 @@ benchmark minpqueue-benchmarks
     KWay.RandomIncreasing
   ghc-options:      -O2
   build-depends:
-      base          >= 4.9 && < 5
+    , base          >= 4.9 && < 5
     , pqueue
     , deepseq       >= 1.3 && < 1.6
     , random        >= 1.2 && < 1.4
-    , tasty-bench   >= 0.3 && < 0.5
+    , tasty-bench   >= 0.3 && < 0.6