diff --git a/HISTORY.md b/HISTORY.md
index e96253763..58fedf286 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,14 +1,17 @@
 # Snap! (BYOB) History
 
 ## in development:
+
+## 10.0.3:
 * **Notable Changes:**
-    * enabled setting custom blocks labels to (nested) lists of label parts, not just in DEFINE but also in SET
+    * enabled setting custom block labels to (nested) lists of label parts, not just in DEFINE but also in SET
 * **Notable Fixes:**
     * fixed initial number of inputs in the parallelization library
     
 ### 2024-08-12
-* threads: enabled setting custom blocks labels to (nested) lists of label parts
+* threads: enabled setting custom block labels to (nested) lists of label parts
 * fixed initial number of inputs in the parallelization library
+* prepared v10.0.3 patch
 
 ## 10.0.2:
 * **Notable Fixes:**
diff --git a/snap.html b/snap.html
index 029f0b553..e5f612597 100755
--- a/snap.html
+++ b/snap.html
@@ -20,7 +20,7 @@
         <script src="src/threads.js?version=2024-08-12"></script>
         <script src="src/objects.js?version=2024-08-07"></script>
         <script src="src/scenes.js?version=2024-05-28"></script>
-        <script src="src/gui.js?version=2024-08-09"></script>
+        <script src="src/gui.js?version=2024-08-12"></script>
         <script src="src/paint.js?version=2023-05-24"></script>
         <script src="src/lists.js?version=2024-04-08"></script>
         <script src="src/byob.js?version=2024-08-09"></script>
diff --git a/src/gui.js b/src/gui.js
index 431c469fa..8d334f26a 100644
--- a/src/gui.js
+++ b/src/gui.js
@@ -87,11 +87,11 @@ BlockVisibilityDialogMorph, ThreadManager, isString, SnapExtensions, snapEquals
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2024-August-09';
+modules.gui = '2024-August-12';
 
 // Declarations
 
-var SnapVersion = '10.0.2';
+var SnapVersion = '10.0.3';
 
 var IDE_Morph;
 var ProjectDialogMorph;
diff --git a/sw.js b/sw.js
index da628ad3b..888f3bd97 100644
--- a/sw.js
+++ b/sw.js
@@ -1,4 +1,4 @@
-var snapVersion = '10.0.2',
+var snapVersion = '10.0.3',
     cacheName = `snap-pwa-${snapVersion}`,
     filesToCache = [
         'snap.html',