diff --git a/.gitignore b/.gitignore
index dbd1390..d1f14a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ jss-4.2.6.tar.gz
 /jss-4.5.0.tar.gz
 /jss-4.5.1.tar.gz
 /jss-4.5.2.tar.gz
+/jss-4.5.3.tar.gz
diff --git a/jss-pki-sync-netscape-security-util-Utils.patch b/jss-pki-sync-netscape-security-util-Utils.patch
deleted file mode 100644
index 41545a8..0000000
--- a/jss-pki-sync-netscape-security-util-Utils.patch
+++ /dev/null
@@ -1,94 +0,0 @@
-From a5b0caf63837acfd876ee15e3823fbfdf5685432 Mon Sep 17 00:00:00 2001
-From: Dinesh Prasanth M K <dmoluguw@redhat.com>
-Date: Wed, 30 Jan 2019 12:31:29 -0500
-Subject: [PATCH] Add exec method to execute shell commands with input
-
-- This is an effort to move duplicate code from PKI code
-  base to JSS code base
-
-- This chunk of code was originally introduced in PKI
-  code: https://github.com/dogtagpki/pki/pull/131
-
-- This PR is a joined effort of:
-  https://github.com/dogtagpki/pki/pull/122
-
-Signed-off-by: Dinesh Prasanth M K <dmoluguw@redhat.com>
----
- .../jss/netscape/security/util/Utils.java     | 57 +++++++++++++++++++
- 1 file changed, 57 insertions(+)
-
-diff --git a/org/mozilla/jss/netscape/security/util/Utils.java b/org/mozilla/jss/netscape/security/util/Utils.java
-index b1a3c341..b45381ae 100644
---- a/org/mozilla/jss/netscape/security/util/Utils.java
-+++ b/org/mozilla/jss/netscape/security/util/Utils.java
-@@ -25,6 +25,7 @@
- import java.io.FileWriter;
- import java.io.IOException;
- import java.io.InputStream;
-+import java.io.InputStreamReader;
- import java.io.OutputStream;
- import java.io.OutputStreamWriter;
- import java.io.PrintWriter;
-@@ -96,6 +97,62 @@ public static boolean exec(String cmd) {
-         return false;
-     }
- 
-+    public static String readFromStream(InputStream inputStream) throws IOException {
-+        StringBuilder sb = new StringBuilder();
-+        BufferedReader br = null;
-+        try {
-+            br = new BufferedReader(new InputStreamReader(inputStream));
-+            String line = null;
-+            while ((line = br.readLine()) != null) {
-+                sb.append(line + System.getProperty("line.separator"));
-+            }
-+        } finally {
-+            br.close();
-+        }
-+        return sb.toString().trim();
-+    }
-+
-+    public static void writeToStream(OutputStream outputStream, String input) throws IOException {
-+        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outputStream));
-+        writer.write(input);
-+        writer.flush();
-+        writer.close();
-+    }
-+
-+    /**
-+     * Utility method to execute system commands
-+     *
-+     * @param cmd The command to be executed and its arguments
-+     * @param input The stdin input to be passed to the cmd
-+     * @return stdout or stderr of the command executed
-+     * @throws IOException
-+     * @throws InterruptedException
-+     */
-+    public static String exec(String[] cmd, String input) throws IOException, InterruptedException {
-+
-+        ProcessBuilder pb = new ProcessBuilder(cmd);
-+
-+        Process p = pb.start();
-+
-+        if (input != null) {
-+            writeToStream(p.getOutputStream(), input);
-+        }
-+
-+        p.waitFor();
-+
-+        String output;
-+        if (p.exitValue() == 0) {
-+            output = readFromStream(p.getInputStream());
-+        } else {
-+            output = readFromStream(p.getErrorStream());
-+        }
-+        p.destroy();
-+
-+        return output;
-+    }
-+
-+
-+
-     public static String SpecialURLDecode(String s) {
-         if (s == null)
-             return null;
diff --git a/jss.spec b/jss.spec
index ae5c90b..1d44cc4 100644
--- a/jss.spec
+++ b/jss.spec
@@ -6,8 +6,8 @@ Summary:        Java Security Services (JSS)
 URL:            http://www.dogtagpki.org/wiki/JSS
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 
-Version:        4.5.2
-Release:        3%{?_timestamp}%{?_commit_id}%{?dist}
+Version:        4.5.3
+Release:        1%{?_timestamp}%{?_commit_id}%{?dist}
 # global         _phase -a1
 
 # To generate the source tarball:
@@ -26,7 +26,7 @@ Source:         https://github.com/dogtagpki/%{name}/archive/v%{version}%{?_phas
 #     <version tag> \
 #     > jss-VERSION-RELEASE.patch
 # Patch: jss-VERSION-RELEASE.patch
-Patch1: jss-pki-sync-netscape-security-util-Utils.patch
+# Patch1: jss-pki-sync-netscape-security-util-Utils.patch
 
 ################################################################################
 # Build Dependencies
diff --git a/sources b/sources
index a43c93f..8c326c0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (jss-4.5.2.tar.gz) = 344b31a218b7aebb15cc24e24d5697978889bf37856ddefc9521899d2a2a80b1bc9ed0b498a6e0cd19deed169fe1bc56f1ad42e7b8cfc188fadd28245d7bec31
+SHA512 (jss-4.5.3.tar.gz) = 6a5d5065803a36a42f15c19fa870edf4844d650911c690a8033288ee0e2e6e115868de39a7c9c955e068568a859baf5fb3e8e970b4167dfc19782bb661ab6d71