diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17188e6..102fee4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,7 +74,7 @@ ENDIF()
 # Install directories
 ########################################################################
 include(FindPkgConfig)
-find_package(Gnuradio "3.9" REQUIRED)
+find_package(Gnuradio "3.10" REQUIRED)
 include(GrVersion)
 
 include(GrPlatform) #define LIB_SUFFIX