diff --git a/README.md b/README.md
index 87cbefbf6..5f133b5aa 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-## Security Onion 2.3.20
+## Security Onion 2.3.21
 
-Security Onion 2.3.20 is here!
+Security Onion 2.3.21 is here!
 
 ## Screenshots
 
diff --git a/VERIFY_ISO.md b/VERIFY_ISO.md
index e28513cef..f023a7300 100644
--- a/VERIFY_ISO.md
+++ b/VERIFY_ISO.md
@@ -1,16 +1,16 @@
-### 2.3.20 ISO image built on 2020/12/20
+### 2.3.21 ISO image built on 2020/12/21
 
 ### Download and Verify
 
-2.3.20 ISO image:  
-https://download.securityonion.net/file/securityonion/securityonion-2.3.20.iso
+2.3.21 ISO image:  
+https://download.securityonion.net/file/securityonion/securityonion-2.3.21.iso
 
-MD5: E348FA65A46FD3FBA0D574D9C1A0582D  
-SHA1: 4A6E6D4E0B31ECA1B72E642E3DB2C186B59009D6  
-SHA256: 25DE77097903640771533FA13094D0720A032B70223875F8C77A92F5C44CA687 
+MD5: 7B8BC5B241B7220C011215BCE852FF78  
+SHA1: 541C9689D8F8E8D3F25E169ED34A3F683851975B  
+SHA256: 7647FD67BA6AC85CCB1308789FFF7DAB19A841621FDA9AE41B89A0A79618F068 
 
 Signature for ISO image:  
-https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.20.iso.sig
+https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.21.iso.sig
 
 Signing key:  
 https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS  
@@ -24,22 +24,22 @@ wget https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/ma
 
 Download the signature file for the ISO:  
 ```
-wget https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.20.iso.sig
+wget https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.21.iso.sig
 ```
 
 Download the ISO image:  
 ```
-wget https://download.securityonion.net/file/securityonion/securityonion-2.3.20.iso
+wget https://download.securityonion.net/file/securityonion/securityonion-2.3.21.iso
 ```
 
 Verify the downloaded ISO image using the signature file:  
 ```
-gpg --verify securityonion-2.3.20.iso.sig securityonion-2.3.20.iso
+gpg --verify securityonion-2.3.21.iso.sig securityonion-2.3.21.iso
 ```
 
 The output should show "Good signature" and the Primary key fingerprint should match what's shown below:
 ```
-gpg: Signature made Sun 20 Dec 2020 11:11:28 AM EST using RSA key ID FE507013
+gpg: Signature made Mon 21 Dec 2020 06:27:53 PM EST using RSA key ID FE507013
 gpg: Good signature from "Security Onion Solutions, LLC <info@securityonionsolutions.com>"
 gpg: WARNING: This key is not certified with a trusted signature!
 gpg:          There is no indication that the signature belongs to the owner.
diff --git a/VERSION b/VERSION
index 69484413e..3b31fa0ce 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.20
\ No newline at end of file
+2.3.21
diff --git a/salt/docker_clean/init.sls b/salt/docker_clean/init.sls
index 9c5ce0d17..c29151664 100644
--- a/salt/docker_clean/init.sls
+++ b/salt/docker_clean/init.sls
@@ -1,6 +1,6 @@
 {% set IMAGEREPO = salt['pillar.get']('global:imagerepo') %}
 {% set MANAGER = salt['grains.get']('master') %}
-{% set OLDVERSIONS = ['2.0.0-rc.1','2.0.1-rc.1','2.0.2-rc.1','2.0.3-rc.1','2.1.0-rc.2','2.2.0-rc.3','2.3.0','2.3.1','2.3.2']%}
+{% set OLDVERSIONS = ['2.0.0-rc.1','2.0.1-rc.1','2.0.2-rc.1','2.0.3-rc.1','2.1.0-rc.2','2.2.0-rc.3','2.3.0','2.3.1','2.3.2','2.3.20']%}
 
 {% for VERSION in OLDVERSIONS %}
 remove_images_{{ VERSION }}:
diff --git a/salt/soc/files/soc/changes.json b/salt/soc/files/soc/changes.json
index 2736e73b8..e986a6953 100644
--- a/salt/soc/files/soc/changes.json
+++ b/salt/soc/files/soc/changes.json
@@ -1,5 +1,5 @@
 {
-  "title": "Security Onion 2.3.20 is here!",
+  "title": "Security Onion 2.3.21 is here!",
   "changes": [
 		{ "summary": "soup has been refactored. You will need to run it a few times to get all the changes properly. We are working on making this even easier for future releases."},
 		{ "summary": "soup now has awareness of Elastic Features and now downloads the appropriate Docker containers."},