diff --git CMakeLists.txt CMakeLists.txt
index b8b5c23..f0c595c 100755
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -87,14 +87,7 @@ ENDIF()
 # Install directories
 ########################################################################
 message(STATUS "Searching for GNU Radio installation ...")
-find_package(Gnuradio "3.8" QUIET)
-if(NOT GNURADIO_FOUND)
-    message(STATUS "Searching for GNU Radio 3.9 ...")
-    find_package(Gnuradio "3.9" REQUIRED blocks analog fft filter digital)
-else()
-    message(STATUS "Searching for GNU Radio 3.8 ...")
-    find_package(Gnuradio "3.8" REQUIRED blocks analog fft filter digital)
-endif()
+find_package(Gnuradio REQUIRED)
 message(STATUS "Found GNU Radio ${Gnuradio_VERSION}")
 
 include(GrVersion)
@@ -154,7 +147,7 @@ endif(DOXYGEN_FOUND)
 ########################################################################
 add_subdirectory(pybind11)
 # Probably the preferred way long term:
-# find_package(pybind11 REQUIRED)
+#find_package(pybind11 REQUIRED)
 
 execute_process(
     COMMAND "${PYTHON_EXECUTABLE}" -c
diff --git lib/CMakeLists.txt lib/CMakeLists.txt
index 539c100..a0374be 100755
--- lib/CMakeLists.txt
+++ lib/CMakeLists.txt
@@ -52,7 +52,7 @@ if(NOT gfdm_sources)
 endif(NOT gfdm_sources)
 
 add_library(gnuradio-gfdm SHARED ${gfdm_sources})
-target_link_libraries(gnuradio-gfdm gnuradio::gnuradio-runtime gnuradio-digital fftw3f::fftw3f)
+target_link_libraries(gnuradio-gfdm gnuradio::gnuradio-runtime gnuradio-digital gnuradio-filter gnuradio-fft fftw3f::fftw3f)
 target_include_directories(gnuradio-gfdm
     PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
     PUBLIC $<INSTALL_INTERFACE:include>