diff --git a/SPRINTLOG.md b/SPRINTLOG.md
index d86a8155f..3b28549a6 100644
--- a/SPRINTLOG.md
+++ b/SPRINTLOG.md
@@ -327,3 +327,4 @@ _Nothing merged in CLI during this sprint_
 
 - Updated Pillow package version to address vulnerabities ([#1486](https://github.com/ScilifelabDataCentre/dds_web/pull/1486))
 - Updated urllib3 package version to address vulnerabities ([#1487](https://github.com/ScilifelabDataCentre/dds_web/pull/1487))
+- Updated PostCss Node package to address vulnerabities ([#1489](https://github.com/ScilifelabDataCentre/dds_web/pull/1489))
diff --git a/dds_web/static/package-lock.json b/dds_web/static/package-lock.json
index 9485590b5..168949c7b 100644
--- a/dds_web/static/package-lock.json
+++ b/dds_web/static/package-lock.json
@@ -21,7 +21,7 @@
         "node-sass": "^7.0.3",
         "nodemon": "^2.0.22",
         "npm-run-all": "^4.1.5",
-        "postcss": "^8.4.28",
+        "postcss": "^8.4.31",
         "postcss-cli": "^9.1.0",
         "purgecss": "^4.1.3",
         "serve": "^13.0.4",
@@ -3949,9 +3949,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.28",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.28.tgz",
-      "integrity": "sha512-Z7V5j0cq8oEKyejIKfpD8b4eBy9cwW2JWPk0+fB1HOAMsfHbnAXLLS+PfVWlzMSLQaWttKDt607I0XHmpE67Vw==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "dev": true,
       "funding": [
         {
@@ -9095,9 +9095,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.4.28",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.28.tgz",
-      "integrity": "sha512-Z7V5j0cq8oEKyejIKfpD8b4eBy9cwW2JWPk0+fB1HOAMsfHbnAXLLS+PfVWlzMSLQaWttKDt607I0XHmpE67Vw==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "dev": true,
       "requires": {
         "nanoid": "^3.3.6",
diff --git a/dds_web/static/package.json b/dds_web/static/package.json
index d27e864bd..a5db2d8f5 100644
--- a/dds_web/static/package.json
+++ b/dds_web/static/package.json
@@ -37,7 +37,7 @@
     "node-sass": "^7.0.3",
     "nodemon": "^2.0.22",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.4.28",
+    "postcss": "^8.4.31",
     "postcss-cli": "^9.1.0",
     "purgecss": "^4.1.3",
     "serve": "^13.0.4",