diff --git a/ports/rxcpp/CONTROL b/ports/rxcpp/CONTROL
index b4440da35a..02b8738166 100644
--- a/ports/rxcpp/CONTROL
+++ b/ports/rxcpp/CONTROL
@@ -1,3 +1,3 @@
 Source: rxcpp
-Version: 2.3.0
+Version: 3.0.0
 Description: Reactive Extensions for C++
\ No newline at end of file
diff --git a/ports/rxcpp/portfile.cmake b/ports/rxcpp/portfile.cmake
index 65062c360d..440c7ccf3f 100644
--- a/ports/rxcpp/portfile.cmake
+++ b/ports/rxcpp/portfile.cmake
@@ -1,12 +1,12 @@
 #header-only library
 include(vcpkg_common_functions)
-set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/RxCpp-2.3.0)
-vcpkg_download_distfile(ARCHIVE_FILE
-    URLS "https://github.com/Reactive-Extensions/RxCpp/archive/v2.3.0.tar.gz"
-    FILENAME "RxCpp-2.3.0.tar.gz"
-    SHA512 180cf36777b0c14e989b4b79f01fcda7ecabfe4b3cee3ad7343138497578af02745de63f74941ec228eac3fccca4a7dfdfdd1c4d16a89438022dca6f9968953f
+set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/RxCpp-3.0.0)
+vcpkg_download_distfile(ARCHIVE
+    URLS "https://github.com/Reactive-Extensions/RxCpp/archive/v3.0.0.tar.gz"
+    FILENAME "v3.0.0.tar.gz"
+    SHA512 6d810b6163d0920d531f32a13729e290c81b47d5fc9c3e3d3d8a25d27a6f0671fec097d091bef7383b7e556e9e5471db087bb955e7f4fd9a5fdc9e7b06050844
 )
-vcpkg_extract_source_archive(${ARCHIVE_FILE})
+vcpkg_extract_source_archive(${ARCHIVE})
 
 file(INSTALL
 	${SOURCE_PATH}/Rx/v2/src/rxcpp