diff --git a/.gitmodules b/.gitmodules
index 2ccfcbcdf7d..ee6e7eac9d8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -49,3 +49,6 @@
 [submodule "plugins/LadspaEffect/cmt/cmt"]
 	path = plugins/LadspaEffect/cmt/cmt
 	url = https://github.com/lmms/cmt
+[submodule "src/3rdparty/hiir/hiir"]
+	path = src/3rdparty/hiir/hiir
+	url = https://github.com/LostRobotMusic/hiir
diff --git a/src/3rdparty/CMakeLists.txt b/src/3rdparty/CMakeLists.txt
index 24d15609599..7a6b887755f 100644
--- a/src/3rdparty/CMakeLists.txt
+++ b/src/3rdparty/CMakeLists.txt
@@ -3,6 +3,7 @@ IF(LMMS_BUILD_LINUX AND WANT_VST)
 	add_subdirectory(qt5-x11embed)
 ENDIF()
 
+ADD_SUBDIRECTORY(hiir)
 ADD_SUBDIRECTORY(rpmalloc)
 ADD_SUBDIRECTORY(weakjack)
 
diff --git a/src/3rdparty/hiir/CMakeLists.txt b/src/3rdparty/hiir/CMakeLists.txt
new file mode 100644
index 00000000000..e954ff187f5
--- /dev/null
+++ b/src/3rdparty/hiir/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_library(hiir INTERFACE)
+target_include_directories(hiir INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+target_compile_features(hiir INTERFACE cxx_std_17)
diff --git a/src/3rdparty/hiir/hiir b/src/3rdparty/hiir/hiir
new file mode 160000
index 00000000000..54a41371d9d
--- /dev/null
+++ b/src/3rdparty/hiir/hiir
@@ -0,0 +1 @@
+Subproject commit 54a41371d9da47e62d669ac86bd0b2e726a2a057