diff --git a/bin/build-site.sh b/bin/build-site.sh
index f1859e139..fa402c204 100755
--- a/bin/build-site.sh
+++ b/bin/build-site.sh
@@ -5,7 +5,7 @@
 # Default to the current version number for building the plugin library
 
 if [  -z "$TW5_BUILD_VERSION" ]; then
-    TW5_BUILD_VERSION=v5.4.0
+    TW5_BUILD_VERSION=v5.3.8
 fi
 
 echo "Using TW5_BUILD_VERSION as [$TW5_BUILD_VERSION]"
diff --git a/core/wiki/config/OfficialPluginLibrary.tid b/core/wiki/config/OfficialPluginLibrary.tid
index bb55927a3..0373f3208 100644
--- a/core/wiki/config/OfficialPluginLibrary.tid
+++ b/core/wiki/config/OfficialPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/library/v5.4.0/index.html
+url: https://tiddlywiki.com/library/v5.3.8/index.html
 caption: {{$:/language/OfficialPluginLibrary}}
 
 {{$:/language/OfficialPluginLibrary/Hint}}
diff --git a/editions/prerelease/tiddlers/Release 5.4.0.tid b/editions/prerelease/tiddlers/Release 5.3.8.tid
similarity index 88%
rename from editions/prerelease/tiddlers/Release 5.4.0.tid
rename to editions/prerelease/tiddlers/Release 5.3.8.tid
index 24ba8ea5a..f32946b63 100644
--- a/editions/prerelease/tiddlers/Release 5.4.0.tid	
+++ b/editions/prerelease/tiddlers/Release 5.3.8.tid	
@@ -1,8 +1,8 @@
-caption: 5.4.0
-created: 20250707115023707
-modified: 20250707115023707
+caption: 5.3.8
+created: 20250717140646135
+modified: 20250717140646135
 tags: ReleaseNotes
-title: Release 5.4.0
+title: Release 5.3.8
 type: text/vnd.tiddlywiki
 description: Under development
 
diff --git a/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid b/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
index 1ca7cbdb8..6c29d03af 100644
--- a/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
+++ b/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/prerelease/library/v5.4.0/index.html
+url: https://tiddlywiki.com/prerelease/library/v5.3.8/index.html
 caption: {{$:/language/OfficialPluginLibrary}} (Prerelease)
 
 The prerelease version of the official ~TiddlyWiki plugin library at tiddlywiki.com. Plugins, themes and language packs are maintained by the core team.
diff --git a/editions/tw5.com/tiddlers/images/New Release Banner.png b/editions/tw5.com/tiddlers/images/New Release Banner.png
index 7c2cb16c2..684314f0f 100644
Binary files a/editions/tw5.com/tiddlers/images/New Release Banner.png and b/editions/tw5.com/tiddlers/images/New Release Banner.png differ
diff --git a/package.json b/package.json
index fb499d299..9c3730a5a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tiddlywiki",
   "preferGlobal": true,
-  "version": "5.4.0-prerelease",
+  "version": "5.3.8-prerelease",
   "author": "Jeremy Ruston <jeremy@jermolene.com>",
   "description": "a non-linear personal web notebook",
   "contributors": [