diff --git a/resources/InnoInstallerScript.iss b/resources/InnoInstallerScript.iss
index 2869d6f..4794e17 100644
--- a/resources/InnoInstallerScript.iss
+++ b/resources/InnoInstallerScript.iss
@@ -3,7 +3,7 @@
 ; Non-commercial use only
 
 #define MyAppName "SteamlessController"
-#define MyAppVersion "1.17"
+#define MyAppVersion "1.17.3"
 #define ViGEmSetup "ViGEmBus_1.22.0_x64_x86_arm64.exe"
 #define MyAppPublisher "Dylan Deverill"
 #define MyAppURL "https://github.com/ddeverill/SteamlessController"
diff --git a/resources/app.rc b/resources/app.rc
index 36871e4..40bc53d 100644
--- a/resources/app.rc
+++ b/resources/app.rc
@@ -1,5 +1,33 @@
 #include "resource.h"
+#include <winver.h>
 
 IDI_ICON_OFF    ICON  "SteamControllerOFF.ico"
 IDI_ICON_ON     ICON  "SteamControllerON.ico"
 IDI_ICON_SHARED ICON  "SteamControllerSHARED.ico"
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION    APP_VERSION_MAJOR,APP_VERSION_MINOR,APP_VERSION_PATCH,0
+ PRODUCTVERSION APP_VERSION_MAJOR,APP_VERSION_MINOR,APP_VERSION_PATCH,0
+ FILEFLAGSMASK  VS_FFI_FILEFLAGSMASK
+ FILEFLAGS      0x0L
+ FILEOS         VOS_NT_WINDOWS32
+ FILETYPE       VFT_APP
+ FILESUBTYPE    VFT2_UNKNOWN
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0"
+        BEGIN
+            VALUE "FileDescription",  "SteamlessController"
+            VALUE "FileVersion",      APP_VERSION_STR
+            VALUE "InternalName",     "SteamlessController"
+            VALUE "OriginalFilename", "SteamlessController.exe"
+            VALUE "ProductName",      "SteamlessController"
+            VALUE "ProductVersion",   APP_VERSION_STR
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1200
+    END
+END
diff --git a/resources/resource.h b/resources/resource.h
index 0718bde..3c8864d 100644
--- a/resources/resource.h
+++ b/resources/resource.h
@@ -5,3 +5,14 @@
 // Game mode is live, but on a handle shared with another writer (typically
 // Steam) rather than an exclusive one — see ControllerManager::IsGameModeShared.
 #define IDI_ICON_SHARED 103
+
+// One definition of the version, for the VERSIONINFO resource in app.rc and for
+// the startup line in the event log. Both matter: a build with no version stamp
+// is indistinguishable from any other once it is installed, and a log that does
+// not say which build wrote it costs a round trip with whoever reported the bug.
+//
+// Keep in step with MyAppVersion in resources/InnoInstallerScript.iss.
+#define APP_VERSION_MAJOR 1
+#define APP_VERSION_MINOR 17
+#define APP_VERSION_PATCH 3
+#define APP_VERSION_STR   "1.17.3"
diff --git a/src/app/TrayApp.cpp b/src/app/TrayApp.cpp
index 960026b..86eb7bb 100644
--- a/src/app/TrayApp.cpp
+++ b/src/app/TrayApp.cpp
@@ -92,7 +92,7 @@ bool TrayApp::Init(HINSTANCE hInstance) {
                               {0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30}};
     RegisterDeviceNotificationW(m_hwnd, &filter, DEVICE_NOTIFY_WINDOW_HANDLE);
 
-    EventLog::Write("=== SteamlessController started ===");
+    EventLog::Write("=== SteamlessController %s started ===", APP_VERSION_STR);
 
     m_startTick = GetTickCount64();
     QueryUnbiasedInterruptTime(&m_lastHeartbeatUnbiased);