diff --git a/pkgs/tools/system/rsyslog/default.nix b/pkgs/tools/system/rsyslog/default.nix
index 81e929382b2d..1367871ded41 100644
--- a/pkgs/tools/system/rsyslog/default.nix
+++ b/pkgs/tools/system/rsyslog/default.nix
@@ -3,7 +3,7 @@
 , libdbi ? null, net_snmp ? null, libuuid ? null, curl ? null, gnutls ? null
 , libgcrypt ? null, liblognorm ? null, openssl ? null, librelp ? null, libksi ? null
 , libgt ? null, liblogging ? null, libnet ? null, hadoop ? null, rdkafka ? null
-, libmongo-client ? null, czmq ? null, rabbitmq-c ? null, hiredis ? null
+, libmongo-client ? null, czmq ? null, rabbitmq-c ? null, hiredis ? null, mongoc ? null
 }:
 
 with stdenv.lib;
@@ -11,21 +11,21 @@ let
   mkFlag = cond: name: if cond then "--enable-${name}" else "--disable-${name}";
 in
 stdenv.mkDerivation rec {
-  name = "rsyslog-8.21.0";
+  name = "rsyslog-8.37.0";
 
   src = fetchurl {
     url = "https://www.rsyslog.com/files/download/rsyslog/${name}.tar.gz";
-    sha256 = "1arrhc9fw79sp7dxkf7gyfwibyr2i1000pfds5c7n43mgglgvcdx";
+    sha256 = "1rs7y7xgjm82j4mp0897x2myv73kkcj86np37y7qzgca9jdjhp19";
   };
 
   #patches = [ ./fix-gnutls-detection.patch ];
 
   nativeBuildInputs = [ pkgconfig autoreconfHook ];
   buildInputs = [
-    fastJson libestr json_c zlib pythonPackages.docutils libkrb5 jemalloc 
+    fastJson libestr json_c zlib pythonPackages.docutils libkrb5 jemalloc
     postgresql libdbi net_snmp libuuid curl gnutls libgcrypt liblognorm openssl
     librelp libgt libksi liblogging libnet hadoop rdkafka libmongo-client czmq
-    rabbitmq-c hiredis
+    rabbitmq-c hiredis mongoc
   ] ++ stdenv.lib.optional (mysql != null) mysql.connector-c
     ++ stdenv.lib.optional stdenv.isLinux systemd;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 254d9ac85d04..1340020d5b9c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1502,7 +1502,6 @@ with pkgs;
     libdbi = null;
     net_snmp = null;
     libuuid = null;
-    curl = null;
     gnutls = null;
     libgcrypt = null;
     liblognorm = null;