diff --git a/pkgs/development/libraries/zookeeper_mt/default.nix b/pkgs/development/libraries/zookeeper_mt/default.nix
index 9c4302433ff0..ce539d9eb1c0 100644
--- a/pkgs/development/libraries/zookeeper_mt/default.nix
+++ b/pkgs/development/libraries/zookeeper_mt/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://apache/zookeeper/${zookeeper.pname}-${version}/apache-${zookeeper.pname}-${version}.tar.gz";
-    hash = "sha512-ttYbATvfe+uRYhQWfeG1WGXl5GOztcrITfl/4EQierAzSaDvTmVxSb582hYQOdBpxw2QrVbIdnTm3/Xt4ifecg==";
+    hash = "sha512-V1SFPtSytFZMyiR/cgwLA9zPUK5xuarP3leQCQiSfelUHnYMB+R6ZQfSHMHD9t+URvLc+KRFSriLTzethspkpA==";
   };
 
   sourceRoot = "apache-${zookeeper.pname}-${version}/zookeeper-client/zookeeper-client-c";
diff --git a/pkgs/servers/zookeeper/default.nix b/pkgs/servers/zookeeper/default.nix
index 1df644b9fbe7..6590f10fbb8c 100644
--- a/pkgs/servers/zookeeper/default.nix
+++ b/pkgs/servers/zookeeper/default.nix
@@ -1,16 +1,16 @@
 { lib, stdenv, fetchurl, jdk11_headless, makeWrapper, nixosTests, bash, coreutils }:
 let
-  # Latest supported LTS JDK for Zookeeper 3.6:
-  # https://zookeeper.apache.org/doc/r3.6.3/zookeeperAdmin.html#sc_requiredSoftware
+  # Latest supported LTS JDK for Zookeeper 3.7:
+  # https://zookeeper.apache.org/doc/r3.7.2/zookeeperAdmin.html#sc_requiredSoftware
   jre = jdk11_headless;
 in
 stdenv.mkDerivation rec {
   pname = "zookeeper";
-  version = "3.7.1";
+  version = "3.7.2";
 
   src = fetchurl {
     url = "mirror://apache/zookeeper/${pname}-${version}/apache-${pname}-${version}-bin.tar.gz";
-    hash = "sha512-kQNiilB0X6GiibymZv2kqcCOwXxVzxPmaIfnunbpPbrmCh8f/WwQeYvjoWBpNE7LwAzrspvwPZzXCWzNCY7QEQ==";
+    hash = "sha512-avv8GvyLk3AoG9mGLzfbscuV7FS7LtQ3GDGqXA8Iz+53UFC9V85fwINuYa8n7tnwB29UuYmX3Q4VFZGWBW5S6g==";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1063f9dc59b4..365bde606773 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -27478,9 +27478,7 @@ with pkgs;
 
   zookeeper = callPackage ../servers/zookeeper { };
 
-  zookeeper_mt = callPackage ../development/libraries/zookeeper_mt {
-    openssl = openssl_1_1;
-  };
+  zookeeper_mt = callPackage ../development/libraries/zookeeper_mt { };
 
   xqilla = callPackage ../development/tools/xqilla { stdenv = gcc10StdenvCompat; };