diff --git a/pkgs/development/compilers/ghc/9.6.3-binary.nix b/pkgs/development/compilers/ghc/9.6.4-binary.nix
similarity index 96%
rename from pkgs/development/compilers/ghc/9.6.3-binary.nix
rename to pkgs/development/compilers/ghc/9.6.4-binary.nix
index f8916d712b16f..1236ecfa0562b 100644
--- a/pkgs/development/compilers/ghc/9.6.3-binary.nix
+++ b/pkgs/development/compilers/ghc/9.6.4-binary.nix
@@ -19,8 +19,8 @@ assert stdenv.targetPlatform == stdenv.hostPlatform;
 let
   downloadsUrl = "https://downloads.haskell.org/ghc";
 
-  # Copy sha256 from https://downloads.haskell.org/~ghc/9.6.3/SHA256SUMS
-  version = "9.6.3";
+  # Copy sha256 from https://downloads.haskell.org/~ghc/9.6.4/SHA256SUMS
+  version = "9.6.4";
 
   # Information about available bindists that we use in the build.
   #
@@ -46,7 +46,7 @@ let
         variantSuffix = "";
         src = {
           url = "${downloadsUrl}/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
-          sha256 = "58be26f8b8f6b5bd8baf5c32abb03e2c4621646b2142fab10e5c7de5af5c50f8";
+          sha256 = "2069bbeeca4b4beef5343393a383fcd5b2ceae33be06006c512169d21f8eb9f8";
         };
         exePathForLibraryCheck = "bin/ghc";
         archSpecificLibraries = [
@@ -61,7 +61,7 @@ let
         variantSuffix = "";
         src = {
           url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-deb11-linux.tar.xz";
-          sha256 = "c4c0124857265926f1cf22a09d950d7ba989ff94053a4ddf3dcdab5359f4cab7";
+          sha256 = "9c96072c64ea022f0006cc444762f666b7fbadfdc9ac556089a4ea2448187a73";
         };
         exePathForLibraryCheck = "bin/ghc";
         archSpecificLibraries = [
@@ -73,7 +73,7 @@ let
         variantSuffix = "";
         src = {
           url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-deb10-linux.tar.xz";
-          sha256 = "03c389859319f09452081310fc13af7525063ea8930830ef76be2a14b312271e";
+          sha256 = "d430345a66128c858e09dd9a90e5beabc045a9a3cedf776aea3adb45d1286276";
         };
         exePathForLibraryCheck = "bin/ghc";
         archSpecificLibraries = [
@@ -86,7 +86,7 @@ let
         variantSuffix = "";
         src = {
           url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
-          sha256 = "dde46118ab8388fb1066312c097123e93b1dcf6ae366e3370f88ea456382c9db";
+          sha256 = "b897cbd156690f4e6cc4400f6b9465d610ea228d8527f8bd501210d1b93a4eab";
         };
         exePathForLibraryCheck = null; # we don't have a library check for darwin yet
         archSpecificLibraries = [
@@ -99,7 +99,7 @@ let
         variantSuffix = "";
         src = {
           url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-apple-darwin.tar.xz";
-          sha256 = "e1cdf458926b2eaf52d2a8287d99a965040ff9051171f5c3b7467049cf0eb213";
+          sha256 = "25affc9ceb6f2032706ec1b4b7ba5d14bd34df3b5223d8060f210aece25feea9";
         };
         exePathForLibraryCheck = null; # we don't have a library check for darwin yet
         archSpecificLibraries = [
@@ -115,7 +115,7 @@ let
         variantSuffix = "-musl";
         src = {
           url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-alpine3_12-linux.tar.xz";
-          sha256 = "8f457af0aa40127049c11134c8793f64351a446e87da1f8ec256e1279b5ab61f";
+          sha256 = "914605fde1f0659468c5d6df934da54bd333535b33255dd1b8a6ff7e0a7463b5";
         };
         exePathForLibraryCheck = "bin/ghc";
         archSpecificLibraries = [
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b757c630420fe..2d7018a568b45 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -17,7 +17,7 @@ let
     "ghc865Binary"
     "ghc8107Binary"
     "ghc924Binary"
-    "ghc963Binary"
+    "ghc964Binary"
     # ghcjs
     "ghcjs"
     "ghcjs810"
@@ -66,7 +66,7 @@ in {
       llvmPackages = pkgs.llvmPackages_12;
     };
 
-    ghc963Binary = callPackage ../development/compilers/ghc/9.6.3-binary.nix {
+    ghc964Binary = callPackage ../development/compilers/ghc/9.6.4-binary.nix {
       llvmPackages = pkgs.llvmPackages_15;
     };
 
@@ -299,7 +299,7 @@ in {
         else if stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isLittleEndian then
           packages.ghc963
         else
-          packages.ghc963Binary;
+          packages.ghc964Binary;
       inherit (buildPackages.python3Packages) sphinx;
       # Need to use apple's patched xattr until
       # https://github.com/xattr/xattr/issues/44 and
@@ -317,7 +317,7 @@ in {
         else if stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isLittleEndian then
           packages.ghc963
         else
-          packages.ghc963Binary;
+          packages.ghc964Binary;
       inherit (buildPackages.python3Packages) sphinx;
       # Need to use apple's patched xattr until
       # https://github.com/xattr/xattr/issues/44 and
@@ -336,7 +336,7 @@ in {
         else if stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isLittleEndian then
           packages.ghc963
         else
-          packages.ghc963Binary;
+          packages.ghc964Binary;
       inherit (buildPackages.python3Packages) sphinx;
       # Need to use apple's patched xattr until
       # https://github.com/xattr/xattr/issues/44 and
@@ -399,9 +399,9 @@ in {
       compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.2.x.nix { };
       packageSetConfig = bootstrapPackageSet;
     };
-    ghc963Binary = callPackage ../development/haskell-modules {
-      buildHaskellPackages = bh.packages.ghc963Binary;
-      ghc = bh.compiler.ghc963Binary;
+    ghc964Binary = callPackage ../development/haskell-modules {
+      buildHaskellPackages = bh.packages.ghc964Binary;
+      ghc = bh.compiler.ghc964Binary;
       compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.6.x.nix { };
       packageSetConfig = bootstrapPackageSet;
     };