diff --git a/pkgs/applications/misc/survex/default.nix b/pkgs/applications/misc/survex/default.nix
index 17888cc8041f..0dd5afd3edb4 100644
--- a/pkgs/applications/misc/survex/default.nix
+++ b/pkgs/applications/misc/survex/default.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchurl
+, fetchpatch
 , Carbon
 , Cocoa
 , ffmpeg
@@ -12,14 +13,26 @@
 , proj
 , python3
 , wrapGAppsHook
-, wxGTK30-gtk3
-, wxmac
+, wxGTK32
 , xlibsWrapper
 }:
 
 stdenv.mkDerivation rec {
   pname = "survex";
-  version = "1.4.1";
+  version = "1.4.3";
+
+  src = fetchurl {
+    url = "https://survex.com/software/${version}/${pname}-${version}.tar.gz";
+    hash = "sha256-7NtGTe9xNRPEvG9fQ2fC6htQLEMHfqGmBM2ezhi6oNM=";
+  };
+
+  patches = [
+    # Fix cavern.tst to work with SOURCE_DATE_EPOCH set
+    (fetchpatch {
+      url = "https://github.com/ojwb/survex/commit/b1200a60be7bdea20ffebbd8bb15386041727fa6.patch";
+      hash = "sha256-OtFjqpU+u8XGy+PAHg2iea++b681p/Kl8YslisBs4sA=";
+    })
+  ];
 
   nativeBuildInputs = [
     perl
@@ -34,20 +47,14 @@ stdenv.mkDerivation rec {
     libGLU
     mesa
     proj
+    wxGTK32
   ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
     Carbon
     Cocoa
-    wxmac
   ] ++ lib.optionals stdenv.hostPlatform.isLinux [
-    wxGTK30-gtk3
     xlibsWrapper
   ];
 
-  src = fetchurl {
-    url = "https://survex.com/software/${version}/${pname}-${version}.tar.gz";
-    hash = "sha256-69X1jGjBTQIQzkD1mTZTzE8L/GXnnf5SI52l7eIiLz4=";
-  };
-
   postPatch = ''
     patchShebangs .
   '';