diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee193fc..ac831eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.4.0](https://github.com/RedHatProductSecurity/cvelib/compare/1.3.0...1.4.0) (May 15, 2024)
+
+* Updated CVE JSON schema to version 5.1.0, which makes it compatible with CVE Services 2.3.x (#79).
+
 ## [1.3.0](https://github.com/RedHatProductSecurity/cvelib/compare/1.2.1...1.3.0) (Jan 26, 2024)
 
 * Fixed displaying timestamps for older records (#66).
diff --git a/README.md b/README.md
index cc18adb..1ff96b4 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A library and a command line interface for the CVE Services API.
 
-**Note**: version 1.4.0 of cvelib is compatible with CVE Services 2.2.1 and CVE JSON schema 5.1.0.
+**Note**: version 1.4.0 of cvelib is compatible with CVE Services 2.3.1 and CVE JSON schema 5.1.0.
 
 ## Requirements
 
diff --git a/cvelib/__init__.py b/cvelib/__init__.py
index 67bc602..3e8d9f9 100644
--- a/cvelib/__init__.py
+++ b/cvelib/__init__.py
@@ -1 +1 @@
-__version__ = "1.3.0"
+__version__ = "1.4.0"
diff --git a/man/cve-list.1 b/man/cve-list.1
index 228c54b..0ff7949 100644
--- a/man/cve-list.1
+++ b/man/cve-list.1
@@ -1,4 +1,4 @@
-.TH "CVE LIST" "1" "2024-01-26" "1.3.0" "cve list Manual"
+.TH "CVE LIST" "1" "2024-05-15" "1.4.0" "cve list Manual"
 .SH NAME
 cve\-list \- Filter and list reserved CVE IDs owned by...
 .SH SYNOPSIS
diff --git a/man/cve-org-users.1 b/man/cve-org-users.1
index e6d923e..751fed5 100644
--- a/man/cve-org-users.1
+++ b/man/cve-org-users.1
@@ -1,4 +1,4 @@
-.TH "CVE ORG USERS" "1" "2024-01-26" "1.3.0" "cve org users Manual"
+.TH "CVE ORG USERS" "1" "2024-05-15" "1.4.0" "cve org users Manual"
 .SH NAME
 cve\-org\-users \- List all users in your organization.
 .SH SYNOPSIS
diff --git a/man/cve-org.1 b/man/cve-org.1
index 1007e8d..f9a6b28 100644
--- a/man/cve-org.1
+++ b/man/cve-org.1
@@ -1,4 +1,4 @@
-.TH "CVE ORG" "1" "2024-01-26" "1.3.0" "cve org Manual"
+.TH "CVE ORG" "1" "2024-05-15" "1.4.0" "cve org Manual"
 .SH NAME
 cve\-org \- Show information about your organization.
 .SH SYNOPSIS
diff --git a/man/cve-ping.1 b/man/cve-ping.1
index 4439ccb..0ca083a 100644
--- a/man/cve-ping.1
+++ b/man/cve-ping.1
@@ -1,4 +1,4 @@
-.TH "CVE PING" "1" "2024-01-26" "1.3.0" "cve ping Manual"
+.TH "CVE PING" "1" "2024-05-15" "1.4.0" "cve ping Manual"
 .SH NAME
 cve\-ping \- Ping the CVE Services API to see if it is up.
 .SH SYNOPSIS
diff --git a/man/cve-publish-adp.1 b/man/cve-publish-adp.1
index 95eab1d..495caa0 100644
--- a/man/cve-publish-adp.1
+++ b/man/cve-publish-adp.1
@@ -1,4 +1,4 @@
-.TH "CVE PUBLISH-ADP" "1" "2024-01-26" "1.3.0" "cve publish-adp Manual"
+.TH "CVE PUBLISH-ADP" "1" "2024-05-15" "1.4.0" "cve publish-adp Manual"
 .SH NAME
 cve\-publish-adp \- Add or update an ADP container in a CVE...
 .SH SYNOPSIS
diff --git a/man/cve-publish.1 b/man/cve-publish.1
index 1eba1d0..533bc51 100644
--- a/man/cve-publish.1
+++ b/man/cve-publish.1
@@ -1,4 +1,4 @@
-.TH "CVE PUBLISH" "1" "2024-01-26" "1.3.0" "cve publish Manual"
+.TH "CVE PUBLISH" "1" "2024-05-15" "1.4.0" "cve publish Manual"
 .SH NAME
 cve\-publish \- Publish a CNA container of a CVE record...
 .SH SYNOPSIS
diff --git a/man/cve-quota.1 b/man/cve-quota.1
index 09fa7b4..bcfc545 100644
--- a/man/cve-quota.1
+++ b/man/cve-quota.1
@@ -1,4 +1,4 @@
-.TH "CVE QUOTA" "1" "2024-01-26" "1.3.0" "cve quota Manual"
+.TH "CVE QUOTA" "1" "2024-05-15" "1.4.0" "cve quota Manual"
 .SH NAME
 cve\-quota \- Display the available CVE ID quota for...
 .SH SYNOPSIS
diff --git a/man/cve-reject.1 b/man/cve-reject.1
index 9a32677..6b71bef 100644
--- a/man/cve-reject.1
+++ b/man/cve-reject.1
@@ -1,4 +1,4 @@
-.TH "CVE REJECT" "1" "2024-01-26" "1.3.0" "cve reject Manual"
+.TH "CVE REJECT" "1" "2024-05-15" "1.4.0" "cve reject Manual"
 .SH NAME
 cve\-reject \- Reject a CVE record for a reserved or...
 .SH SYNOPSIS
diff --git a/man/cve-reserve.1 b/man/cve-reserve.1
index 4b90642..6ab6db3 100644
--- a/man/cve-reserve.1
+++ b/man/cve-reserve.1
@@ -1,4 +1,4 @@
-.TH "CVE RESERVE" "1" "2024-01-26" "1.3.0" "cve reserve Manual"
+.TH "CVE RESERVE" "1" "2024-05-15" "1.4.0" "cve reserve Manual"
 .SH NAME
 cve\-reserve \- Reserve one or more CVE IDs.
 .SH SYNOPSIS
diff --git a/man/cve-show.1 b/man/cve-show.1
index c95506f..a4ce2ea 100644
--- a/man/cve-show.1
+++ b/man/cve-show.1
@@ -1,4 +1,4 @@
-.TH "CVE SHOW" "1" "2024-01-26" "1.3.0" "cve show Manual"
+.TH "CVE SHOW" "1" "2024-05-15" "1.4.0" "cve show Manual"
 .SH NAME
 cve\-show \- Display a specific CVE ID (and optionally...
 .SH SYNOPSIS
diff --git a/man/cve-undo-reject.1 b/man/cve-undo-reject.1
index 6001e33..c2f8b89 100644
--- a/man/cve-undo-reject.1
+++ b/man/cve-undo-reject.1
@@ -1,4 +1,4 @@
-.TH "CVE UNDO-REJECT" "1" "2024-01-26" "1.3.0" "cve undo-reject Manual"
+.TH "CVE UNDO-REJECT" "1" "2024-05-15" "1.4.0" "cve undo-reject Manual"
 .SH NAME
 cve\-undo-reject \- Move a rejected CVE ID without a record...
 .SH SYNOPSIS
diff --git a/man/cve-user-create.1 b/man/cve-user-create.1
index d29d6e5..97da939 100644
--- a/man/cve-user-create.1
+++ b/man/cve-user-create.1
@@ -1,4 +1,4 @@
-.TH "CVE USER CREATE" "1" "2024-01-26" "1.3.0" "cve user create Manual"
+.TH "CVE USER CREATE" "1" "2024-05-15" "1.4.0" "cve user create Manual"
 .SH NAME
 cve\-user\-create \- Create a user in your organization.
 .SH SYNOPSIS
diff --git a/man/cve-user-reset-key.1 b/man/cve-user-reset-key.1
index 0516dd8..5302d9d 100644
--- a/man/cve-user-reset-key.1
+++ b/man/cve-user-reset-key.1
@@ -1,4 +1,4 @@
-.TH "CVE USER RESET-KEY" "1" "2024-01-26" "1.3.0" "cve user reset-key Manual"
+.TH "CVE USER RESET-KEY" "1" "2024-05-15" "1.4.0" "cve user reset-key Manual"
 .SH NAME
 cve\-user\-reset-key \- Reset a user's personal access token (API...
 .SH SYNOPSIS
diff --git a/man/cve-user-update.1 b/man/cve-user-update.1
index 8916be8..4dd23d2 100644
--- a/man/cve-user-update.1
+++ b/man/cve-user-update.1
@@ -1,4 +1,4 @@
-.TH "CVE USER UPDATE" "1" "2024-01-26" "1.3.0" "cve user update Manual"
+.TH "CVE USER UPDATE" "1" "2024-05-15" "1.4.0" "cve user update Manual"
 .SH NAME
 cve\-user\-update \- Update a user.
 .SH SYNOPSIS
diff --git a/man/cve-user.1 b/man/cve-user.1
index b77a279..737653f 100644
--- a/man/cve-user.1
+++ b/man/cve-user.1
@@ -1,4 +1,4 @@
-.TH "CVE USER" "1" "2024-01-26" "1.3.0" "cve user Manual"
+.TH "CVE USER" "1" "2024-05-15" "1.4.0" "cve user Manual"
 .SH NAME
 cve\-user \- Show information about a user.
 .SH SYNOPSIS
diff --git a/man/cve.1 b/man/cve.1
index 612b90e..6a8e61f 100644
--- a/man/cve.1
+++ b/man/cve.1
@@ -1,4 +1,4 @@
-.TH "CVE" "1" "2024-01-26" "1.3.0" "cve Manual"
+.TH "CVE" "1" "2024-05-15" "1.4.0" "cve Manual"
 .SH NAME
 cve \- A CLI interface for the CVE Services API.
 .SH SYNOPSIS