diff --git a/Sources/AppDelegate.swift b/Sources/AppDelegate.swift
index 70d3e4af..15a63335 100644
--- a/Sources/AppDelegate.swift
+++ b/Sources/AppDelegate.swift
@@ -4559,6 +4559,14 @@ final class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCent
             return true
         }
 
+        // Alias Cmd+Shift+R to the same rename-tab command palette flow as Cmd+R.
+        if normalizedFlags == [.command, .shift], (chars == "r" || event.keyCode == 15) {
+            return handleRenameTabCommandPaletteShortcut(
+                event: event,
+                commandPaletteTargetWindow: commandPaletteTargetWindow
+            )
+        }
+
         if matchShortcut(event: event, shortcut: KeyboardShortcutSettings.shortcut(for: .renameWorkspace)) {
             _ = promptRenameSelectedWorkspace()
             return true
@@ -4629,13 +4637,10 @@ final class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCent
         }
 
         if matchShortcut(event: event, shortcut: KeyboardShortcutSettings.shortcut(for: .renameTab)) {
-            // Keep Cmd+R browser reload behavior when a browser panel is focused.
-            if tabManager?.focusedBrowserPanel != nil {
-                return false
-            }
-            let targetWindow = commandPaletteTargetWindow ?? event.window ?? NSApp.keyWindow ?? NSApp.mainWindow
-            NotificationCenter.default.post(name: .commandPaletteRenameTabRequested, object: targetWindow)
-            return true
+            return handleRenameTabCommandPaletteShortcut(
+                event: event,
+                commandPaletteTargetWindow: commandPaletteTargetWindow
+            )
         }
 
         // Numeric shortcuts for specific sidebar tabs: Cmd+1-9 (9 = last workspace)
@@ -4864,6 +4869,19 @@ final class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCent
         return false
     }
 
+    private func handleRenameTabCommandPaletteShortcut(
+        event: NSEvent,
+        commandPaletteTargetWindow: NSWindow?
+    ) -> Bool {
+        // Keep Cmd+R browser reload behavior when a browser panel is focused.
+        if tabManager?.focusedBrowserPanel != nil {
+            return false
+        }
+        let targetWindow = commandPaletteTargetWindow ?? event.window ?? NSApp.keyWindow ?? NSApp.mainWindow
+        NotificationCenter.default.post(name: .commandPaletteRenameTabRequested, object: targetWindow)
+        return true
+    }
+
     private func shouldSuppressSplitShortcutForTransientTerminalFocusState(direction: SplitDirection) -> Bool {
         guard let tabManager,
               let workspace = tabManager.selectedWorkspace,
diff --git a/Sources/KeyboardShortcutSettings.swift b/Sources/KeyboardShortcutSettings.swift
index 61d7b799..9d99781e 100644
--- a/Sources/KeyboardShortcutSettings.swift
+++ b/Sources/KeyboardShortcutSettings.swift
@@ -125,7 +125,7 @@ enum KeyboardShortcutSettings {
             case .renameTab:
                 return StoredShortcut(key: "r", command: true, shift: false, option: false, control: false)
             case .renameWorkspace:
-                return StoredShortcut(key: "r", command: true, shift: true, option: false, control: false)
+                return StoredShortcut(key: "r", command: true, shift: false, option: false, control: true)
             case .closeWorkspace:
                 return StoredShortcut(key: "w", command: true, shift: true, option: false, control: false)
             case .focusLeft:
diff --git a/cmuxTests/AppDelegateShortcutRoutingTests.swift b/cmuxTests/AppDelegateShortcutRoutingTests.swift
index c5a9435a..77a09c18 100644
--- a/cmuxTests/AppDelegateShortcutRoutingTests.swift
+++ b/cmuxTests/AppDelegateShortcutRoutingTests.swift
@@ -311,6 +311,60 @@ final class AppDelegateShortcutRoutingTests: XCTestCase {
         XCTAssertTrue(appDelegate.tabManager === secondManager, "Shortcut routing should retarget active manager to event window")
     }
 
+    func testCmdShiftRAliasesToRenameTabCommandPaletteRequest() {
+        guard let appDelegate = AppDelegate.shared else {
+            XCTFail("Expected AppDelegate.shared")
+            return
+        }
+
+        let windowId = appDelegate.createMainWindow()
+        defer {
+            closeWindow(withId: windowId)
+            KeyboardShortcutSettings.resetShortcut(for: .renameWorkspace)
+        }
+
+        guard let window = window(withId: windowId) else {
+            XCTFail("Expected test window")
+            return
+        }
+
+        KeyboardShortcutSettings.setShortcut(
+            StoredShortcut(key: "r", command: true, shift: false, option: true, control: false),
+            for: .renameWorkspace
+        )
+
+        let expectation = expectation(description: "Expected rename tab command palette notification")
+        var observedWindow: NSWindow?
+        let token = NotificationCenter.default.addObserver(
+            forName: .commandPaletteRenameTabRequested,
+            object: nil,
+            queue: nil
+        ) { notification in
+            observedWindow = notification.object as? NSWindow
+            expectation.fulfill()
+        }
+        defer { NotificationCenter.default.removeObserver(token) }
+
+        guard let event = makeKeyDownEvent(
+            key: "r",
+            modifiers: [.command, .shift],
+            keyCode: 15, // kVK_ANSI_R
+            windowNumber: window.windowNumber
+        ) else {
+            XCTFail("Failed to construct Cmd+Shift+R event")
+            return
+        }
+
+#if DEBUG
+        XCTAssertTrue(appDelegate.debugHandleCustomShortcut(event: event))
+#else
+        XCTFail("debugHandleCustomShortcut is only available in DEBUG")
+#endif
+
+        wait(for: [expectation], timeout: 1.0)
+        XCTAssertEqual(observedWindow?.windowNumber, window.windowNumber)
+    }
+
     func testCmdDigitDoesNotFallbackToOtherWindowWhenEventWindowContextIsMissing() {
         guard let appDelegate = AppDelegate.shared else {
             XCTFail("Expected AppDelegate.shared")
diff --git a/cmuxTests/CmuxWebViewKeyEquivalentTests.swift b/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
index bcc96c61..5d4e7863 100644
--- a/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
+++ b/cmuxTests/CmuxWebViewKeyEquivalentTests.swift
@@ -966,18 +966,18 @@ final class WorkspaceRenameShortcutDefaultsTests: XCTestCase {
         let shortcut = KeyboardShortcutSettings.Action.renameWorkspace.defaultShortcut
         XCTAssertEqual(shortcut.key, "r")
         XCTAssertTrue(shortcut.command)
-        XCTAssertTrue(shortcut.shift)
+        XCTAssertFalse(shortcut.shift)
         XCTAssertFalse(shortcut.option)
-        XCTAssertFalse(shortcut.control)
+        XCTAssertTrue(shortcut.control)
     }
 
     func testRenameWorkspaceShortcutConvertsToMenuShortcut() {
         let shortcut = KeyboardShortcutSettings.Action.renameWorkspace.defaultShortcut
         XCTAssertNotNil(shortcut.keyEquivalent)
         XCTAssertTrue(shortcut.eventModifiers.contains(.command))
-        XCTAssertTrue(shortcut.eventModifiers.contains(.shift))
+        XCTAssertFalse(shortcut.eventModifiers.contains(.shift))
         XCTAssertFalse(shortcut.eventModifiers.contains(.option))
-        XCTAssertFalse(shortcut.eventModifiers.contains(.control))
+        XCTAssertTrue(shortcut.eventModifiers.contains(.control))
     }
 
     func testCloseWorkspaceShortcutDefaultsAndMetadata() {