diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30f6a00..989efc2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,15 @@ automatically and used as the GitHub Release notes.
 
 ## [Unreleased]
 
+## [1.0.13] - 2026-07-21
+
+### Changed
+
+- Show only the month name in Year chart detail headers because each bar
+  represents a whole calendar month.
+
+## [1.0.12] - 2026-07-21
+
 ### Fixed
 
 - Fetch every page of yearly Upwork time-report data so the Year dashboard
diff --git a/Sources/UpworkBuddy/Info.plist b/Sources/UpworkBuddy/Info.plist
index 4dced4c..c4e06f5 100644
--- a/Sources/UpworkBuddy/Info.plist
+++ b/Sources/UpworkBuddy/Info.plist
@@ -33,9 +33,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.12</string>
+	<string>1.0.13</string>
 	<key>CFBundleVersion</key>
-	<string>13</string>
+	<string>14</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>14.0</string>
 	<key>LSUIElement</key>
diff --git a/Sources/UpworkBuddy/Views/DashboardView.swift b/Sources/UpworkBuddy/Views/DashboardView.swift
index dd7ec05..b22c158 100644
--- a/Sources/UpworkBuddy/Views/DashboardView.swift
+++ b/Sources/UpworkBuddy/Views/DashboardView.swift
@@ -43,7 +43,8 @@ struct DashboardView: View {
                                     currency: store.currency,
                                     masked: store.hideSensitive,
                                     metric: store.dashboardMetric,
-                                    title: chartTitle
+                                    title: chartTitle,
+                                    period: store.selectedPeriod
                                 )
                                 .zIndex(2)
                             }
diff --git a/Sources/UpworkBuddy/Views/SparklineView.swift b/Sources/UpworkBuddy/Views/SparklineView.swift
index 84f6aed..effa3f7 100644
--- a/Sources/UpworkBuddy/Views/SparklineView.swift
+++ b/Sources/UpworkBuddy/Views/SparklineView.swift
@@ -1,11 +1,27 @@
 import SwiftUI
 
+enum SparklineDateLabelFormatter {
+    static func string(
+        for date: Date,
+        period: Period,
+        locale: Locale = L10n.currentLocale,
+        timeZone: TimeZone = .current
+    ) -> String {
+        let formatter = DateFormatter()
+        formatter.locale = locale
+        formatter.timeZone = timeZone
+        formatter.setLocalizedDateFormatFromTemplate(period == .year ? "MMM" : "EEE MMM d")
+        return formatter.string(from: date)
+    }
+}
+
 struct SparklineView: View {
     let points: [DailyPoint]
     let currency: String
     var masked: Bool = false
     var metric: MenuBarMetric = .earnings
     var title: String?
+    let period: Period
 
     @State private var hoverIndex: Int?
 
@@ -108,15 +124,12 @@ struct SparklineView: View {
     }
 
     private func tooltip(for point: DailyPoint, format: CurrencyFormat) -> some View {
-        let f = DateFormatter()
-        f.locale = L10n.currentLocale
-        f.setLocalizedDateFormatFromTemplate("EEE MMM d")
         let rows = Array(point.breakdown.prefix(5))
         let isPayoutOnly = point.earnings > 0 && point.hours <= 0.01
         let primaryValue = metric == .hours ? point.hours.asHours() : format.compact(point.earnings)
         return VStack(alignment: .leading, spacing: 4) {
             HStack {
-                Text(f.string(from: point.date))
+                Text(SparklineDateLabelFormatter.string(for: point.date, period: period))
                     .font(Theme.body(size: 11, weight: .semibold))
                     .foregroundStyle(Theme.textPrimary)
                 if isPayoutOnly {
diff --git a/Tests/UpworkBuddyTests/SparklineDateLabelTests.swift b/Tests/UpworkBuddyTests/SparklineDateLabelTests.swift
new file mode 100644
index 0000000..8f05b77
--- /dev/null
+++ b/Tests/UpworkBuddyTests/SparklineDateLabelTests.swift
@@ -0,0 +1,39 @@
+import Foundation
+import Testing
+@testable import UpworkBuddy
+
+@Suite("Sparkline date labels")
+struct SparklineDateLabelTests {
+    private let locale = Locale(identifier: "en_US_POSIX")
+    private let timeZone = TimeZone(secondsFromGMT: 0)!
+
+    @Test func yearUsesMonthNameOnly() {
+        let label = SparklineDateLabelFormatter.string(
+            for: juneFirst2026,
+            period: .year,
+            locale: locale,
+            timeZone: timeZone
+        )
+
+        #expect(label == "Jun")
+    }
+
+    @Test func shorterPeriodsKeepWeekdayAndDay() {
+        let label = SparklineDateLabelFormatter.string(
+            for: juneFirst2026,
+            period: .month,
+            locale: locale,
+            timeZone: timeZone
+        )
+
+        #expect(label.contains("Mon"))
+        #expect(label.contains("Jun"))
+        #expect(label.contains("1"))
+    }
+
+    private var juneFirst2026: Date {
+        var calendar = Calendar(identifier: .gregorian)
+        calendar.timeZone = timeZone
+        return calendar.date(from: DateComponents(year: 2026, month: 6, day: 1))!
+    }
+}
diff --git a/VERSION b/VERSION
index bb83058..2ac9634 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.12
+1.0.13