diff --git a/build.zig.zon b/build.zig.zon
index 3792887..f0e0e1f 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -9,7 +9,7 @@
     .name = .attyx,
     // This is a [Semantic Version](https://semver.org/).
     // In a future version of Zig it will be used for package deduplication.
-    .version = "0.2.42",
+    .version = "0.2.43",
     // Together with name, this represents a globally unique package
     // identifier. This field is generated by the Zig toolchain when the
     // package is first created, and then *never changes*. This allows
diff --git a/releases/v0.2.43.md b/releases/v0.2.43.md
new file mode 100644
index 0000000..c79ee6a
--- /dev/null
+++ b/releases/v0.2.43.md
@@ -0,0 +1,5 @@
+# Attyx v0.2.43
+
+## Mouse Selection Stays Within Its Pane
+
+In split mode, clicking and dragging to select text could bleed across pane boundaries — highlighting cells in neighboring panes and producing garbled copy results. Selection is now scoped to the focused pane: clicks, drags, and the resulting copied text all stay exactly where you'd expect them.
diff --git a/resources/Info.plist b/resources/Info.plist
index 0a14e2f..d12fd35 100644
--- a/resources/Info.plist
+++ b/resources/Info.plist
@@ -9,9 +9,9 @@
     <key>CFBundleIdentifier</key>
     <string>com.semos-labs.attyx</string>
     <key>CFBundleVersion</key>
-    <string>0.2.42</string>
+    <string>0.2.43</string>
     <key>CFBundleShortVersionString</key>
-    <string>0.2.42</string>
+    <string>0.2.43</string>
     <key>CFBundleExecutable</key>
     <string>attyx</string>
     <key>CFBundleIconFile</key>