diff --git a/.github/workflows/check-cabal-files.yml b/.github/workflows/check-cabal-files.yml
index dc8a7048b9..4dbd0c7fcd 100644
--- a/.github/workflows/check-cabal-files.yml
+++ b/.github/workflows/check-cabal-files.yml
@@ -18,7 +18,7 @@ jobs:
       uses: input-output-hk/setup-haskell@v1
       id: setup-haskell
       with:
-        cabal-version: "3.10.1.0"
+        cabal-version: "3.14.1.1"
 
     - uses: actions/checkout@v3
 
diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 55d47df444..1364f3b6d5 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         ghc: ["9.6", "9.8", "9.10"]
-        cabal: ["3.12"]
+        cabal: ["3.14"]
         sys:
           - { os: windows-latest, shell: 'C:/msys64/usr/bin/bash.exe -e {0}' }
           - { os: ubuntu-latest, shell: bash }
diff --git a/.github/workflows/hls.yml b/.github/workflows/hls.yml
index 9ef42b3024..936433d110 100644
--- a/.github/workflows/hls.yml
+++ b/.github/workflows/hls.yml
@@ -5,17 +5,17 @@ on:
   push:
     branches:
       - master
- 
+
 permissions:
   contents: read
-  
+
 jobs:
 
   test-hls-works:
     env:
       # Modify this value to "invalidate" the cache.
       HLS_CACHE_VERSION: "2024-06-25"
-  
+
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
@@ -27,7 +27,7 @@ jobs:
           extra_nix_config: |
             trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
             substituters = https://cache.iog.io/ https://cache.nixos.org/
-          nix_path: nixpkgs=channel:nixos-unstable 
+          nix_path: nixpkgs=channel:nixos-unstable
       - name: Open nix environment
         uses: rrbutani/use-nix-shell-action@v1
       - name: Update dependencies
diff --git a/.github/workflows/release-upload.yml b/.github/workflows/release-upload.yml
index 2d6d6e1a4e..e095d3e90c 100644
--- a/.github/workflows/release-upload.yml
+++ b/.github/workflows/release-upload.yml
@@ -159,10 +159,10 @@ jobs:
               derivation+="${{ matrix.arch }}"
               ;;
             "x86_64-linux")
-              derivation+="x86_64-linux.ghc965-x86_64-unknown-linux-musl"
+              derivation+="x86_64-linux.ghc966-x86_64-unknown-linux-musl"
               ;;
             "aarch64-linux")
-              derivation+="x86_64-linux.ghc965-aarch64-unknown-linux-musl"
+              derivation+="x86_64-linux.ghc966-aarch64-unknown-linux-musl"
               ;;
             *)
               echo "Unexpected matrix.arch value: ${{ matrix.arch }}"
diff --git a/flake.nix b/flake.nix
index 354cae70cb..4d5c9670f7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,30 +23,7 @@
     # see flake `variants` below for alternative compilers
     defaultCompiler = "ghc982";
     haddockShellCompiler = defaultCompiler;
-    mingwVersion = "ghc965"; # Used for cross compilation, and so referenced in .github/workflows/release-upload.yml. Adapt the latter if you change this value.
-    cabalHeadOverlay = final: prev: {
-      cabal-head =
-        (final.haskell-nix.cabalProject {
-          # cabal master commit containing https://github.com/haskell/cabal/pull/8726
-          # this fixes haddocks generation
-          src = final.fetchFromGitHub {
-            owner = "haskell";
-            repo = "cabal";
-            rev = "6eaba73ac95c62f8dc576e227b5f9c346910303c";
-            hash = "sha256-Uu/w6AK61F7XPxtKe+NinuOR4tLbaT6rwxVrQghDQjo=";
-          };
-          index-state = "2024-07-03T00:00:00Z";
-          compiler-nix-name = haddockShellCompiler;
-          cabalProject = ''
-            packages: Cabal-syntax Cabal cabal-install-solver cabal-install
-          '';
-          configureArgs = "--disable-benchmarks --disable-tests";
-        })
-        .cabal-install
-        .components
-        .exes
-        .cabal;
-    };
+    crossCompilerVersion = "ghc966"; # Used for cross compilation, and so referenced in .github/workflows/release-upload.yml. Adapt the latter if you change this value.
   in
     {inherit (inputs) incl;}
     // inputs.flake-utils.lib.eachSystem supportedSystems (
@@ -61,7 +38,6 @@
             inputs.haskellNix.overlay
             # configure haskell.nix to use iohk-nix crypto librairies.
             inputs.iohkNix.overlays.haskell-nix-crypto
-            cabalHeadOverlay
           ];
           inherit system;
           inherit (inputs.haskellNix) config;
@@ -88,7 +64,7 @@
 
           # we also want cross compilation to windows on linux (and only with default compiler).
           crossPlatforms = p:
-            lib.optionals (system == "x86_64-linux" && config.compiler-nix-name == mingwVersion)
+            lib.optionals (system == "x86_64-linux" && config.compiler-nix-name == crossCompilerVersion)
             [
               p.mingwW64                    # x86_64-windows
               p.aarch64-multiplatform-musl  # aarch64-linux (static)
@@ -107,8 +83,7 @@
           # tools we want in our shell, from hackage
           shell.tools =
             {
-              # for now we're using latest cabal for `cabal haddock-project` fixes
-              # cabal = "3.10.3.0";
+              cabal = "3.14.1.1";
               ghcid = "0.8.8";
             }
             // lib.optionalAttrs (config.compiler-nix-name == defaultCompiler) {
@@ -120,7 +95,7 @@
               stylish-haskell = "0.14.6.0";
             };
           # and from nixpkgs or other inputs
-          shell.nativeBuildInputs = with nixpkgs; [gh jq yq-go actionlint shellcheck cabal-head] ++ (lib.optional isDarwin macOS-security);
+          shell.nativeBuildInputs = with nixpkgs; [gh jq yq-go actionlint shellcheck] ++ (lib.optional isDarwin macOS-security);
           # disable Hoogle until someone request it
           shell.withHoogle = false;
           # Skip cross compilers for the shell
@@ -191,7 +166,7 @@
         flake = cabalProject.flake (
           lib.optionalAttrs (system == "x86_64-linux") {
             # on linux, build/test other supported compilers
-            variants = lib.genAttrs ["ghc8107" mingwVersion] (compiler-nix-name: {
+            variants = lib.genAttrs ["ghc8107" crossCompilerVersion] (compiler-nix-name: {
               inherit compiler-nix-name;
             });
           }