diff --git a/ports/ace/CONTROL b/ports/ace/CONTROL
index 596d5a7a785..9baa763dc4f 100644
--- a/ports/ace/CONTROL
+++ b/ports/ace/CONTROL
@@ -1,3 +1,3 @@
 Source: ace
-Version: 6.4.6
+Version: 6.4.7
 Description: The ADAPTIVE Communication Environment
diff --git a/ports/ace/portfile.cmake b/ports/ace/portfile.cmake
index 63239138bd8..25eeabb0b1c 100644
--- a/ports/ace/portfile.cmake
+++ b/ports/ace/portfile.cmake
@@ -9,9 +9,9 @@ endif()
 include(vcpkg_common_functions)
 set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/ACE_wrappers/ace)
 vcpkg_download_distfile(ARCHIVE
-    URLS "http://download.dre.vanderbilt.edu/previous_versions/ACE-6.4.6.zip"
-    FILENAME "ACE-6.4.6.zip"
-    SHA512 3b1ced19bb42bd753e0a43990f1d8f84dc57f5650c7c972f2e849d4ce3aa1db08673cf14fbc0607d7dbc9b9f95f33f72a5d7f0f11cd993beba528f80eb525e69
+    URLS "http://download.dre.vanderbilt.edu/previous_versions/ACE-6.4.7.zip"
+    FILENAME "ACE-6.4.7.zip"
+    SHA512 931c7e5902f3999ed05c13f9d2c53a605e9b59b4ce78f33b42238ac25286aa13fb510e2f780b6aea9505d03edf834109ab4481870327fec1b5bb11d29cfbafdc
 )
 vcpkg_extract_source_archive(${ARCHIVE})