diff --git a/CHANGELOG.md b/CHANGELOG.md
index a525fad4c..df13838f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 #### Changed
 
+- Dependabot: Bump prismjs from 1.22.0 to 1.23.0 [#469](https://github.com/askap-vast/vast-pipeline/pull/469).
 - Changed non-google format docstrings to google format [#480](https://github.com/askap-vast/vast-pipeline/pull/480).
 - Changed some documentation layout and updated content [#471](https://github.com/askap-vast/vast-pipeline/pull/471).
 - Changed the `vaex` dependency to `vaex-arrow` [#472](https://github.com/askap-vast/vast-pipeline/pull/472).
@@ -61,6 +62,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 #### List of PRs
 
+- [#469](https://github.com/askap-vast/vast-pipeline/pull/469) dep: Bump prismjs from 1.22.0 to 1.23.0.
 - [#480](https://github.com/askap-vast/vast-pipeline/pull/480) feat: Code reference documentation update.
 - [#471](https://github.com/askap-vast/vast-pipeline/pull/471) feat: Documentation update.
 - [#472](https://github.com/askap-vast/vast-pipeline/pull/472) feat: Simplify install.
diff --git a/package-lock.json b/package-lock.json
index 7022bf1f0..5171785af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5887,9 +5887,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.22.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.22.0.tgz",
-      "integrity": "sha512-lLJ/Wt9yy0AiSYBf212kK3mM5L8ycwlyTlSxHBAneXLR0nzFMlZ5y7riFPF3E33zXOF2IH95xdY5jIyZbM9z/w==",
+      "version": "1.23.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
+      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
       "requires": {
         "clipboard": "^2.0.0"
       }
diff --git a/package.json b/package.json
index f75151f41..f8782d076 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "js9": "git+https://github.com/ericmandel/js9.git#v3.0",
     "jszip": "3.5.0",
     "particles.js": "^2.0.0",
-    "prismjs": "^1.22.0",
+    "prismjs": "^1.23.0",
     "startbootstrap-sb-admin-2": "^4.1.2"
   },
   "devDependencies": {