diff --git a/pkgs/servers/limesurvey/default.nix b/pkgs/servers/limesurvey/default.nix
index 791106ca3b0f..6e07a17d7467 100644
--- a/pkgs/servers/limesurvey/default.nix
+++ b/pkgs/servers/limesurvey/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "limesurvey";
-  version = "6.4.1+240108";
+  version = "6.6.5+240924";
 
   src = fetchFromGitHub {
     owner = "LimeSurvey";
     repo = "LimeSurvey";
     rev = version;
-    hash = "sha256-Cpf8X6igF7LdRbFihGudFmx/8aY0Kf0BE7jHnEF1DYA=";
+    hash = "sha256-CuuTFCDY7jnF2njZdyB6e8/nRf0n0ybKgZ0QscC2IAI=";
   };
 
   phpConfig = writeText "config.php" ''