diff --git a/nixos/modules/services/mail/sympa.nix b/nixos/modules/services/mail/sympa.nix
index c3ae9d4255b0..0cad09927b2f 100644
--- a/nixos/modules/services/mail/sympa.nix
+++ b/nixos/modules/services/mail/sympa.nix
@@ -25,8 +25,6 @@ let
     StateDirectory = "sympa";
     ProtectHome = true;
     ProtectSystem = "full";
-    ProtectKernelTunables = true;
-    ProtectKernelModules = true;
     ProtectControlGroups = true;
   };
 
@@ -415,7 +413,7 @@ in
       # force-copy static_content so it's up to date with package
       # set permissions for wwsympa which needs write access (...)
       "R  ${dataDir}/static_content    -    -       -        - -"
-      "C  ${dataDir}/static_content    0711 ${user} ${group} - ${pkg}/static_content"
+      "C  ${dataDir}/static_content    0711 ${user} ${group} - ${pkg}/var/lib/sympa/static_content"
       "e  ${dataDir}/static_content/*  0711 ${user} ${group} - -"
 
       "d  /run/sympa                   0755 ${user} ${group} - -"
@@ -497,7 +495,7 @@ in
           -F ${toString cfg.web.fcgiProcs} \
           -P /run/sympa/wwsympa.pid \
           -s /run/sympa/wwsympa.socket \
-          -- ${pkg}/bin/wwsympa.fcgi
+          -- ${pkg}/lib/sympa/cgi/wwsympa.fcgi
         '';
 
       } // commonServiceConfig;
@@ -518,7 +516,7 @@ in
           fastcgi_split_path_info ^(${loc})(.*)$;
 
           fastcgi_param PATH_INFO       $fastcgi_path_info;
-          fastcgi_param SCRIPT_FILENAME ${pkg}/bin/wwsympa.fcgi;
+          fastcgi_param SCRIPT_FILENAME ${pkg}/lib/sympa/cgi/wwsympa.fcgi;
         '';
       }) // {
         "/static-sympa/".alias = "${dataDir}/static_content/";
@@ -550,7 +548,7 @@ in
           args = [
             "flags=hqRu"
             "user=${user}"
-            "argv=${pkg}/bin/queue"
+            "argv=${pkg}/libexec/queue"
             "\${nexthop}"
           ];
         };
@@ -562,7 +560,7 @@ in
           args = [
             "flags=hqRu"
             "user=${user}"
-            "argv=${pkg}/bin/bouncequeue"
+            "argv=${pkg}/libexec/bouncequeue"
             "\${nexthop}"
           ];
         };
diff --git a/pkgs/servers/mail/sympa/default.nix b/pkgs/servers/mail/sympa/default.nix
index 46cbcc61f94c..c5c9b4400494 100644
--- a/pkgs/servers/mail/sympa/default.nix
+++ b/pkgs/servers/mail/sympa/default.nix
@@ -1,5 +1,4 @@
-{ stdenv, perl, fetchFromGitHub, autoreconfHook
-}:
+{ stdenv, perl, fetchFromGitHub, autoreconfHook, nixosTests }:
 
 let
   dataDir = "/var/lib/sympa";
@@ -64,16 +63,17 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "sympa";
-  version = "6.2.52";
+  version = "6.2.54";
 
   src = fetchFromGitHub {
     owner = "sympa-community";
     repo = pname;
     rev = version;
-    sha256 = "071kx6ryifs2f6fhfky9g297frzp5584kn444af1vb2imzydsbnh";
+    sha256 = "07wfvr8rrg7pwkl2zglrdri7n42rl9gwrjbaffb8m37wq67s7fca";
   };
 
   configureFlags = [
+    "--enable-fhs"
     "--without-initdir"
     "--without-unitsdir"
     "--without-smrshdir"
@@ -106,6 +106,10 @@ stdenv.mkDerivation rec {
     rm -rf "$TMP/bin"
   '';
 
+  passthru.tests = {
+    inherit (nixosTests) sympa;
+  };
+
   meta = with stdenv.lib; {
     description = "Open source mailing list manager";
     homepage = "https://www.sympa.org";