diff --git a/pkgs/applications/version-management/mercurial/default.nix b/pkgs/applications/version-management/mercurial/default.nix
index f28427420325..7e38dc24622c 100644
--- a/pkgs/applications/version-management/mercurial/default.nix
+++ b/pkgs/applications/version-management/mercurial/default.nix
@@ -21,11 +21,11 @@ let
 
   self = python3Packages.buildPythonApplication rec {
     pname = "mercurial${lib.optionalString fullBuild "-full"}";
-    version = "6.4";
+    version = "6.4.1";
 
     src = fetchurl {
       url = "https://mercurial-scm.org/release/mercurial-${version}.tar.gz";
-      sha256 = "sha256-6Iv7y5kR52kEoxuXLlf4bajmzliSuYw53VHTuVmcE0c=";
+      sha256 = "sha256-BbBZoMx/TnJhm+Vz56yunU15YU1HID0geNIXCsBH8K4=";
     };
 
     format = "other";
@@ -35,7 +35,7 @@ let
     cargoDeps = if rustSupport then rustPlatform.fetchCargoTarball {
       inherit src;
       name = "mercurial-${version}";
-      sha256 = "sha256-jgB9UMuZ9v+euGN2LPzg0vNK0KeEa8GpQxLJYgQzzbw=";
+      sha256 = "sha256-1enrXgQbf2aoBmM8WeAZg1259pR0OhdZnEB4Ax5k2K8=";
       sourceRoot = "mercurial-${version}/rust";
     } else null;
     cargoRoot = if rustSupport then "rust" else null;
@@ -110,22 +110,6 @@ let
       gnupg
     ];
 
-    patches = [
-      # remove dependency over packaging for test runner
-      # https://bz.mercurial-scm.org/show_bug.cgi?id=6805
-      (fetchpatch {
-        url = "https://foss.heptapod.net/mercurial/mercurial-devel/-/commit/5e5e3733082a25856038f0fde66d4e08d8881539.patch";
-        hash = "sha256-JNxESWpWZW3AENz57tNJTV/ALnJjkmG1ZnTWSvTr4qY=";
-      })
-
-      # sligthly different test output matching
-      # https://bz.mercurial-scm.org/show_bug.cgi?id=6807
-      (fetchpatch {
-        url = "https://foss.heptapod.net/mercurial/mercurial-devel/-/commit/2231f7d8a60266bb6907b1708400c970ed799017.patch";
-        hash = "sha256-Lm5qXvM9nbmTpuMuvDoWhY4cQQQN7PFZtmu5e7mQVw4=";
-      })
-    ];
-
     postPatch = ''
       patchShebangs .
 
@@ -168,10 +152,6 @@ let
     # Python 3.10-3.12 deprecation warning: asyncore
     # https://bz.mercurial-scm.org/show_bug.cgi?id=6727
     test-patchbomb-tls.t
-
-    # Test wanting TLS 1.0 and 1.1, not available with OpenSSL v3.
-    # https://bz.mercurial-scm.org/show_bug.cgi?id=6760
-    test-https.t
     EOF
 
     export HGTEST_REAL_HG="${mercurial}/bin/hg"