diff --git a/antora-ui-camel/yarn.lock b/antora-ui-camel/yarn.lock
index 446c4af1f8b..e6c4134dec0 100644
--- a/antora-ui-camel/yarn.lock
+++ b/antora-ui-camel/yarn.lock
@@ -9462,6 +9462,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"picocolors@npm:^0.2.1":
+  version: 0.2.1
+  resolution: "picocolors@npm:0.2.1"
+  checksum: 10/3b0f441f0062def0c0f39e87b898ae7461c3a16ffc9f974f320b44c799418cabff17780ee647fda42b856a1dc45897e2c62047e1b546d94d6d5c6962f45427b2
+  languageName: node
+  linkType: hard
+
 "picocolors@npm:^1.0.0":
   version: 1.0.0
   resolution: "picocolors@npm:1.0.0"
@@ -10008,13 +10015,12 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^7.0.0, postcss@npm:^7.0.1, postcss@npm:^7.0.17, postcss@npm:^7.0.2, postcss@npm:^7.0.27, postcss@npm:^7.0.5":
-  version: 7.0.32
-  resolution: "postcss@npm:7.0.32"
+  version: 7.0.39
+  resolution: "postcss@npm:7.0.39"
   dependencies:
-    chalk: "npm:^2.4.2"
+    picocolors: "npm:^0.2.1"
     source-map: "npm:^0.6.1"
-    supports-color: "npm:^6.1.0"
-  checksum: 10/d5663cd8be39c334dc5fe01c6b44d4cb3b89501af918102bc1358b3ab5211f26d26ac027b7116f9745fdf4b2166549640fa31bbc5190df9dd963330456e9fc4f
+  checksum: 10/9635b3a444673d1e50ea67c68382201346b54d7bb69729fff5752a794d57ca5cae7f6fafd4157a9ab7f9ddac30a0d5e548c1196653468cbae3c2758dbc2f5662
   languageName: node
   linkType: hard
 
@@ -12116,15 +12122,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"supports-color@npm:^6.1.0":
-  version: 6.1.0
-  resolution: "supports-color@npm:6.1.0"
-  dependencies:
-    has-flag: "npm:^3.0.0"
-  checksum: 10/78a5c43b9e478966ed41ed923a942dfd6209bf3bcc826a01435cfec98d5a17ca5d866effd2b6be438c16cd73b99f4a4397fcbb282e6f653e39046e1335334189
-  languageName: node
-  linkType: hard
-
 "supports-color@npm:^7.0.0, supports-color@npm:^7.1.0":
   version: 7.2.0
   resolution: "supports-color@npm:7.2.0"