diff --git a/pkgs/applications/networking/remote/putty/default.nix b/pkgs/applications/networking/remote/putty/default.nix
index 4d8c1ee9dc40..99a698cf9db0 100644
--- a/pkgs/applications/networking/remote/putty/default.nix
+++ b/pkgs/applications/networking/remote/putty/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, lib, fetchurl, autoconf, automake, pkg-config, libtool
-, gtk2, halibut, ncurses, perl, darwin
+{ stdenv, lib, fetchurl, cmake, perl, pkg-config
+, gtk3, ncurses, darwin
 }:
 
 stdenv.mkDerivation rec {
-  version = "0.76";
+  version = "0.80";
   pname = "putty";
 
   src = fetchurl {
@@ -11,33 +11,12 @@ stdenv.mkDerivation rec {
       "https://the.earth.li/~sgtatham/putty/${version}/${pname}-${version}.tar.gz"
       "ftp://ftp.wayne.edu/putty/putty-website-mirror/${version}/${pname}-${version}.tar.gz"
     ];
-    sha256 = "0gvi8phabszqksj2by5jrjmshm7bpirhgavz0dqyz1xaimxdjz2l";
+    hash = "sha256-IBPIOnIbF1NSnpCQ98ODDo/kyAoHDMznZFObrbP2cIE=";
   };
 
-  # glib-2.62 deprecations
-  env.NIX_CFLAGS_COMPILE = "-DGLIB_DISABLE_DEPRECATION_WARNINGS";
-
-  preConfigure = lib.optionalString stdenv.hostPlatform.isUnix ''
-    perl mkfiles.pl
-    ( cd doc ; make );
-    ./mkauto.sh
-    cd unix
-  '' + lib.optionalString stdenv.hostPlatform.isWindows ''
-    cd windows
-  '';
-
-  TOOLPATH = stdenv.cc.targetPrefix;
-  makefile = if stdenv.hostPlatform.isWindows then "Makefile.mgw" else null;
-
-  installPhase = if stdenv.hostPlatform.isWindows then ''
-    for exe in *.exe; do
-       install -D $exe $out/bin/$exe
-    done
-  '' else null;
-
-  nativeBuildInputs = [ autoconf automake halibut libtool perl pkg-config ];
+  nativeBuildInputs = [ cmake perl pkg-config ];
   buildInputs = lib.optionals stdenv.hostPlatform.isUnix [
-    gtk2 ncurses
+    gtk3 ncurses
   ] ++ lib.optional stdenv.isDarwin darwin.apple_sdk.libs.utmp;
   enableParallelBuilding = true;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 74e75aacf5d5..cf26b1d1c5d0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -40855,7 +40855,7 @@ with pkgs;
   pwntools = with python3Packages; toPythonApplication pwntools;
 
   putty = callPackage ../applications/networking/remote/putty {
-    gtk2 = gtk2-x11;
+    gtk3 = if stdenv.isDarwin then gtk3-x11 else gtk3;
   };
 
   qMasterPassword = qt6Packages.callPackage ../applications/misc/qMasterPassword { };