diff --git a/.gitignore b/.gitignore
index 04b63b9..34701a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 ldapjdk-4.18.tar.gz
 /ldapjdk-4.19.tar.gz
 /ldap-sdk-4.20.0.tar.gz
+/ldap-sdk-4.21.0.tar.gz
diff --git a/ldapjdk.spec b/ldapjdk.spec
index 2a8d366..1cbc964 100644
--- a/ldapjdk.spec
+++ b/ldapjdk.spec
@@ -8,7 +8,7 @@ License:          MPLv1.1 or GPLv2+ or LGPLv2+
 
 BuildArch:        noarch
 
-Version:          4.20.0
+Version:          4.21.0
 Release:          2%{?_timestamp}%{?_commit_id}%{?dist}
 # global           _phase -a1
 
@@ -45,14 +45,16 @@ BuildRequires:	  jpackage-utils >= 0:1.5
 %else
 BuildRequires:    javapackages-local
 %endif
-BuildRequires:    jss >= 4.5.0-1
+BuildRequires:    slf4j
+BuildRequires:    jss >= 4.6.0
 
 ################################################################################
 # Runtime Dependencies
 ################################################################################
 
 Requires:         jpackage-utils >= 0:1.5
-Requires:         jss >= 4.5.0-1
+Requires:         slf4j
+Requires:         jss >= 4.6.0
 
 
 %description
@@ -134,6 +136,12 @@ cp -r java-sdk/dist/doc/* $RPM_BUILD_ROOT%{_javadocdir}/%{name}
 
 ################################################################################
 %changelog
+* Thu Aug 08 2019 Dogtag PKI Team <pki-team@redhat.com> 4.21.0-2
+- Bump min required JSS version to 4.6.0
+
+* Thu Aug 08 2019 Dogtag PKI Team <pki-team@redhat.com> 4.21.0-1
+- Rebased to LDAP SDK 4.21.0
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 4.20.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
 
diff --git a/sources b/sources
index b6e10b8..00bb264 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ldap-sdk-4.20.0.tar.gz) = f04530a314e91f7be6f5fbcb847a5a2554ca3e8131dc8cd8888f4ace01e7da86fa044b78299b937c49723f82f0c55cf81c3f4f249c11932f9a70cb0a7e9e9f84
+SHA512 (ldap-sdk-4.21.0.tar.gz) = c1a01c179d5f2f7635327124439089b68c387e9f93038072feff719624f913fa0efbfa6bad71f9229bc3314e732b020e007cc60d942fed06a2a6bf1ea40d5f7b