diff --git a/libs/EXTERNAL/CMakeLists.txt b/libs/EXTERNAL/CMakeLists.txt
index cb96998..15c5988 100644
--- a/libs/EXTERNAL/CMakeLists.txt
+++ b/libs/EXTERNAL/CMakeLists.txt
@@ -28,5 +28,11 @@
     # Disable capnproto tests
     set(BUILD_TESTING OFF)
 
+    #Since capnproto is an externally developed library/tool, we suppress all compiler warnings
+    CHECK_CXX_COMPILER_FLAG("-w" CXX_COMPILER_SUPPORTS_-w)
+    if(CXX_COMPILER_SUPPORTS_-w)
+        add_compile_options("-w")
+    endif()
+
     add_subdirectory(capnproto EXCLUDE_FROM_ALL)
 endif()