diff --git a/CHANGELOG b/CHANGELOG
index cc5461e0..f47a2080 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,7 +1,8 @@
 jc changelog
 
-20230820 v1.23.5
-- Fix `pidstat` command parser when using `-T ALL`
+20230930 v1.23.5
+- TODO: Fix `pidstat` command parser when using `-T ALL`
+- Fix `x509-cert` parser to allow negative serial numbers
 - Add error and corrupted support for `ping` and `ping-s` parsers
 
 20230730 v1.23.4
diff --git a/docs/parsers/x509_cert.md b/docs/parsers/x509_cert.md
index 7fe2a77f..4843d01d 100644
--- a/docs/parsers/x509_cert.md
+++ b/docs/parsers/x509_cert.md
@@ -433,4 +433,4 @@ Returns:
 ### Parser Information
 Compatibility:  linux, darwin, cygwin, win32, aix, freebsd
 
-Version 1.2 by Kelly Brazil (kellyjonbrazil@gmail.com)
+Version 1.3 by Kelly Brazil (kellyjonbrazil@gmail.com)
diff --git a/jc/parsers/x509_cert.py b/jc/parsers/x509_cert.py
index 3897b7f6..8381638e 100644
--- a/jc/parsers/x509_cert.py
+++ b/jc/parsers/x509_cert.py
@@ -413,7 +413,7 @@ from jc.parsers.asn1crypto import pem, x509, jc_global
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.2'
+    version = '1.3'
     description = 'X.509 PEM and DER certificate file parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
diff --git a/man/jc.1 b/man/jc.1
index 10b41c3c..f9d4b84d 100644
--- a/man/jc.1
+++ b/man/jc.1
@@ -1,4 +1,4 @@
-.TH jc 1 2023-09-14 1.23.5 "JSON Convert"
+.TH jc 1 2023-09-30 1.23.5 "JSON Convert"
 .SH NAME
 \fBjc\fP \- JSON Convert JSONifies the output of many CLI tools, file-types,
 and strings