diff --git a/CMakeLists.txt b/CMakeLists.txt
index a4ff3cd2d..beed8131d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -312,19 +312,26 @@ endif(NOT Boost_FOUND)
 ################################################################################
 # GNU Radio - http://gnuradio.org/redmine/projects/gnuradio/wiki
 ################################################################################
+set(GR_REQUIRED_COMPONENTS RUNTIME ANALOG BLOCKS DIGITAL FFT FILTER PMT FEC TRELLIS)
 find_package(Gnuradio)
+if(PC_GNURADIO_RUNTIME_VERSION)
+   if(PC_GNURADIO_RUNTIME_VERSION VERSION_LESS 3.7.3)
+       set(GNURADIO_RUNTIME_FOUND)
+       message(STATUS "The GNU Radio version installed in your system is too old.")
+   endif(PC_GNURADIO_RUNTIME_VERSION VERSION_LESS 3.7.3)
+endif(PC_GNURADIO_RUNTIME_VERSION)
 if(NOT GNURADIO_RUNTIME_FOUND)
-   message(STATUS "CMake cannot find GNU Radio >= 3.7")
+   message(STATUS "CMake cannot find GNU Radio >= 3.7.3")
    if(OS_IS_LINUX)
        message("Go to http://gnuradio.org/redmine/projects/pybombs/wiki")
        message("and follow the instructions to install GNU Radio in your system.")
-       message(FATAL_ERROR "GNU Radio 3.7 or later is required to build gnss-sdr")
+       message(FATAL_ERROR "GNU Radio 3.7.3 or later is required to build gnss-sdr")
    endif(OS_IS_LINUX)
    if(OS_IS_MACOSX)
        message("You can install it easily via Macports.")
        message("Open a terminal and type:")
        message("sudo port install gnuradio ")
-       message(FATAL_ERROR "GNU Radio 3.7 or later is required to build gnss-sdr")
+       message(FATAL_ERROR "GNU Radio 3.7.3 or later is required to build gnss-sdr")
    endif(OS_IS_MACOSX)
 endif(NOT GNURADIO_RUNTIME_FOUND)