diff --git a/bin/build-site.sh b/bin/build-site.sh
index f8270cec6..cd5267389 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=v5.2.5
+    TW5_BUILD_VERSION=v5.2.6
 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 bcf051d3f..cddb5e1fc 100644
--- a/core/wiki/config/OfficialPluginLibrary.tid
+++ b/core/wiki/config/OfficialPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/library/v5.2.5/index.html
+url: https://tiddlywiki.com/library/v5.2.6/index.html
 caption: {{$:/language/OfficialPluginLibrary}}
 
 {{$:/language/OfficialPluginLibrary/Hint}}
diff --git a/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid b/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
index a119d4095..b9ffb0fce 100644
--- a/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
+++ b/editions/prerelease/tiddlers/system/PrereleaseOfficialPluginLibrary.tid
@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/prerelease/library/v5.2.5/index.html
+url: https://tiddlywiki.com/prerelease/library/v5.2.6/index.html
 caption: {{$:/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 5bc4a005d..6cacb3e3d 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 e228882d1..1d0d46415 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tiddlywiki",
   "preferGlobal": "true",
-  "version": "5.2.5",
+  "version": "5.2.6-prerelease",
   "author": "Jeremy Ruston <jeremy@jermolene.com>",
   "description": "a non-linear personal web notebook",
   "contributors": [