diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,6 +45,21 @@
 find_package(Canberra REQUIRED)
 find_package(GLIB2 REQUIRED)
 
+find_package(CanberraPulse)
+set_package_properties(CanberraPulse PROPERTIES
+    DESCRIPTION "Pulseaudio backend for libcanberra"
+    PURPOSE "Required for volume feedback sounds"
+    TYPE RUNTIME
+)
+
+find_package(SoundThemeFreedesktop)
+set_package_properties(SoundThemeFreedesktop PROPERTIES
+    DESCRIPTION "The standard freedesktop sound theme"
+    PURPOSE "Required for volume feedback sounds"
+    URL "https://www.freedesktop.org/wiki/Specifications/sound-theme-spec/"
+    TYPE RUNTIME
+)
+
 find_package(KF5Kirigami2 ${KF5_MIN_VERSION} CONFIG)
 set_package_properties(KF5Kirigami2 PROPERTIES
     DESCRIPTION "A QtQuick based components set"
diff --git a/cmake/FindCanberra.cmake b/cmake/FindCanberra.cmake
--- a/cmake/FindCanberra.cmake
+++ b/cmake/FindCanberra.cmake
@@ -4,8 +4,10 @@
 #  CANBERRA_FOUND        - true if libcanberra was found
 #  CANBERRA_LIBRARIES    - libcanberra libraries to link against
 #  CANBERRA_INCLUDE_DIRS - include path for libcanberra
+#  CANBERRA_VERSION      - version of libcanberra
 #
 # Copyright (c) 2012 Raphael Kubo da Costa <rakuco@FreeBSD.org>
+# Copyright (c) 2019 Harald Sitter <sitter@kde.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -44,7 +46,12 @@
     HINTS ${PC_CANBERRA_INCLUDE_DIRS} ${PC_CANBERRA_INCLUDEDIR}
 )
 
+set(CANBERRA_VERSION ${PC_CANBERRA_VERSION})
+
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(Canberra REQUIRED_VARS CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS)
+find_package_handle_standard_args(Canberra
+    REQUIRED_VARS CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS
+    VERSION_VAR CANBERRA_VERSION
+)
 
-mark_as_advanced(CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS)
+mark_as_advanced(CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS CANBERRA_VERSION)
diff --git a/cmake/FindCanberra.cmake b/cmake/FindCanberraPulse.cmake
copy from cmake/FindCanberra.cmake
copy to cmake/FindCanberraPulse.cmake
--- a/cmake/FindCanberra.cmake
+++ b/cmake/FindCanberraPulse.cmake
@@ -1,11 +1,9 @@
-# - Find libcanberra's libraries and headers.
+# - Find libcanberra's pulseaudio backend.
 # This module defines the following variables:
 #
-#  CANBERRA_FOUND        - true if libcanberra was found
-#  CANBERRA_LIBRARIES    - libcanberra libraries to link against
-#  CANBERRA_INCLUDE_DIRS - include path for libcanberra
+#  CanberraPulse_FOUND - true if the backend was found
 #
-# Copyright (c) 2012 Raphael Kubo da Costa <rakuco@FreeBSD.org>
+# Copyright (c) 2019 Harald Sitter <sitter@kde.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -31,20 +29,18 @@
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 
-find_package(PkgConfig)
-pkg_check_modules(PC_CANBERRA libcanberra)
+find_package(Canberra)
 
-find_library(CANBERRA_LIBRARIES
-    NAMES canberra
-    HINTS ${PC_CANBERRA_LIBRARY_DIRS} ${PC_CANBERRA_LIBDIR}
-)
-
-find_path(CANBERRA_INCLUDE_DIRS
-    NAMES canberra.h
-    HINTS ${PC_CANBERRA_INCLUDE_DIRS} ${PC_CANBERRA_INCLUDEDIR}
+find_library(CanberraPulse_LIBRARY canberra-pulse
+    PATH_SUFFIXES libcanberra libcanberra-${CANBERRA_VERSION}
 )
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(Canberra REQUIRED_VARS CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS)
+find_package_handle_standard_args(CanberraPulse
+    FOUND_VAR CanberraPulse_FOUND
+    REQUIRED_VARS CanberraPulse_LIBRARY
+)
+mark_as_advanced(CanberraPulse_LIBRARY)
 
-mark_as_advanced(CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS)
+# NB: CanberraPulse_LIBRARY is intentionally not documented as it serves no
+#   public purpose (it's a plugin, not a library).
diff --git a/cmake/FindCanberra.cmake b/cmake/FindSoundThemeFreedesktop.cmake
copy from cmake/FindCanberra.cmake
copy to cmake/FindSoundThemeFreedesktop.cmake
--- a/cmake/FindCanberra.cmake
+++ b/cmake/FindSoundThemeFreedesktop.cmake
@@ -1,11 +1,10 @@
-# - Find libcanberra's libraries and headers.
+# - Find sound-theme-freedesktop via XDG_DATA_DIRS
 # This module defines the following variables:
 #
-#  CANBERRA_FOUND        - true if libcanberra was found
-#  CANBERRA_LIBRARIES    - libcanberra libraries to link against
-#  CANBERRA_INCLUDE_DIRS - include path for libcanberra
+#  SoundThemeFreeDesktop_FOUND - true if the sound theme is found
+#  SoundThemeFreeDesktop_PATH - path to the index.theme file
 #
-# Copyright (c) 2012 Raphael Kubo da Costa <rakuco@FreeBSD.org>
+# Copyright (c) 2019 Harald Sitter <sitter@kde.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -31,20 +30,14 @@
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 
-find_package(PkgConfig)
-pkg_check_modules(PC_CANBERRA libcanberra)
-
-find_library(CANBERRA_LIBRARIES
-    NAMES canberra
-    HINTS ${PC_CANBERRA_LIBRARY_DIRS} ${PC_CANBERRA_LIBDIR}
-)
-
-find_path(CANBERRA_INCLUDE_DIRS
-    NAMES canberra.h
-    HINTS ${PC_CANBERRA_INCLUDE_DIRS} ${PC_CANBERRA_INCLUDEDIR}
+find_file(SoundThemeFreeDesktop_PATH "sounds/freedesktop/index.theme"
+    PATHS ENV XDG_DATA_DIRS /usr/local/share/ /usr/share/
+    NO_DEFAULT_PATH
 )
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(Canberra REQUIRED_VARS CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS)
-
-mark_as_advanced(CANBERRA_LIBRARIES CANBERRA_INCLUDE_DIRS)
+find_package_handle_standard_args(SoundThemeFreeDesktop
+    FOUND_VAR SoundThemeFreeDesktop_FOUND
+    REQUIRED_VARS SoundThemeFreeDesktop_PATH
+)
+mark_as_advanced(SoundThemeFreeDesktop_PATH)