diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 94f914e4..90a9e229 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -101,6 +101,12 @@ jobs:
       - name: Install tagparser
         if: matrix.opensuse_version == 'tumbleweed'
         run: zypper -n --gpg-auto-import-keys in tagparser-devel
+      - name: Install kdsingleapplication-devel
+        if: matrix.opensuse_version == 'tumbleweed' && matrix.qt_version == '5'
+        run: zypper -n --gpg-auto-import-keys in kdsingleapplication-devel
+      - name: Install kdsingleapplication-qt6-devel
+        if: matrix.opensuse_version == 'tumbleweed' && matrix.qt_version == '6'
+        run: zypper -n --gpg-auto-import-keys in kdsingleapplication-qt6-devel
       - name: Checkout
         uses: actions/checkout@v4
         with:
@@ -217,6 +223,7 @@ jobs:
             desktop-file-utils
             libappstream-glib
             hicolor-icon-theme
+            kdsingleapplication-qt6-devel
       - name: Checkout
         uses: actions/checkout@v4
         with:
diff --git a/3rdparty/kdsingleapplication/KDSingleApplication b/3rdparty/kdsingleapplication/KDSingleApplication
index ffce501f..cb0c664b 160000
--- a/3rdparty/kdsingleapplication/KDSingleApplication
+++ b/3rdparty/kdsingleapplication/KDSingleApplication
@@ -1 +1 @@
-Subproject commit ffce501f4533bb8c19e9a89d712077acecd9c78d
+Subproject commit cb0c664b40d3b31bad30aa3521eff603162ed0bd
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d13c6f1..98259455 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -305,18 +305,13 @@ if(QT_VERSION_MAJOR EQUAL 5)
 else()
   set(KDSINGLEAPPLICATION_NAME "KDSingleApplication-qt${QT_VERSION_MAJOR}")
 endif()
-find_package(${KDSINGLEAPPLICATION_NAME})
+find_package(${KDSINGLEAPPLICATION_NAME} 1.1.0)
 if(TARGET KDAB::kdsingleapplication)
   if(QT_VERSION_MAJOR EQUAL 5)
     set(KDSINGLEAPPLICATION_VERSION "${KDSingleApplication_VERSION}")
   elseif(QT_VERSION_MAJOR EQUAL 6)
     set(KDSINGLEAPPLICATION_VERSION "${KDSingleApplication-qt6_VERSION}")
   endif()
-  if(KDSINGLEAPPLICATION_VERSION VERSION_GREATER_EQUAL 1.0.95)
-    set(HAVE_KDSINGLEAPPLICATION_OPTIONS ON)
-  else()
-    set(HAVE_KDSINGLEAPPLICATION_OPTIONS OFF)
-  endif()
   message(STATUS "Using system KDSingleApplication (Version ${KDSINGLEAPPLICATION_VERSION})")
   set(SINGLEAPPLICATION_LIBRARIES KDAB::kdsingleapplication)
 else()
diff --git a/src/config.h.in b/src/config.h.in
index ef8ac505..3be0c0f2 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -58,6 +58,4 @@
 
 #cmakedefine HAVE_EBUR128
 
-#cmakedefine HAVE_KDSINGLEAPPLICATION_OPTIONS
-
 #endif // CONFIG_H_IN
diff --git a/src/main.cpp b/src/main.cpp
index a0e78cca..58e849a4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -156,11 +156,7 @@ int main(int argc, char *argv[]) {
     // Only start a core application now, so we can check if there's another instance without requiring an X server.
     // This MUST be done before parsing the commandline options so QTextCodec gets the right system locale for filenames.
     QCoreApplication core_app(argc, argv);
-#ifdef HAVE_KDSINGLEAPPLICATION_OPTIONS
     KDSingleApplication single_app(QCoreApplication::applicationName(), KDSingleApplication::Option::IncludeUsernameInSocketName);
-#else
-    KDSingleApplication single_app(QCoreApplication::applicationName());
-#endif
     // Parse commandline options - need to do this before starting the full QApplication, so it works without an X server
     if (!options.Parse()) return 1;
     logging::SetLevels(options.log_levels());
@@ -197,11 +193,7 @@ int main(int argc, char *argv[]) {
   QGuiApplication::setQuitOnLastWindowClosed(false);
 
   QApplication a(argc, argv);
-#ifdef HAVE_KDSINGLEAPPLICATION_OPTIONS
   KDSingleApplication single_app(QCoreApplication::applicationName(), KDSingleApplication::Option::IncludeUsernameInSocketName);
-#else
-  KDSingleApplication single_app(QCoreApplication::applicationName());
-#endif
   if (!single_app.isPrimaryInstance()) {
     if (options.is_empty()) {
       qLog(Info) << "Strawberry is already running - activating existing window (2)";