diff --git a/ports/libwebm/0003-fix-android-ndk-r22.patch b/ports/libwebm/0003-fix-android-ndk-r22.patch
new file mode 100644
index 0000000000..b08168ade0
--- /dev/null
+++ b/ports/libwebm/0003-fix-android-ndk-r22.patch
@@ -0,0 +1,25 @@
+diff --git a/mkvmuxerutil.cpp b/mkvmuxerutil.cpp
+index 27ab15d..8949c85 100644
+--- a/mkvmuxerutil.cpp
++++ b/mkvmuxerutil.cpp
+@@ -10,6 +10,7 @@
+ 
+ #ifdef __ANDROID__
+ #include <fcntl.h>
++#include <unistd.h>
+ #endif
+ 
+ #include <cassert>
+diff --git a/mkvparser.cpp b/mkvparser.cpp
+index 4f20148..9cc6971 100644
+--- a/mkvparser.cpp
++++ b/mkvparser.cpp
+@@ -4034,7 +4034,7 @@ long SegmentInfo::Parse() {
+   }
+ 
+   const double rollover_check = m_duration * m_timecodeScale;
+-  if (rollover_check > LLONG_MAX)
++  if (rollover_check > static_cast<double>(LLONG_MAX))
+     return E_FILE_FORMAT_INVALID;
+ 
+   if (pos != stop)
diff --git a/ports/libwebm/CONTROL b/ports/libwebm/CONTROL
index c2d9d878f7..243a220c5e 100644
--- a/ports/libwebm/CONTROL
+++ b/ports/libwebm/CONTROL
@@ -1,4 +1,5 @@
 Source: libwebm
-Version: 1.0.0.27-5
+Version: 1.0.0.27
+Port-Version: 6
 Homepage: https://github.com/webmproject/libwebm
 Description: WebM File Parser
diff --git a/ports/libwebm/portfile.cmake b/ports/libwebm/portfile.cmake
index 9e8d4c9073..a461ae0cbe 100644
--- a/ports/libwebm/portfile.cmake
+++ b/ports/libwebm/portfile.cmake
@@ -7,6 +7,7 @@ vcpkg_from_github(
     PATCHES
         0001-fix-cmake.patch
         no-samples.patch
+        0003-fix-android-ndk-r22.patch
 )
 
 if(VCPKG_CRT_LINKAGE STREQUAL "dynamic")
@@ -28,5 +29,4 @@ vcpkg_copy_pdbs()
 
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 
-file(COPY ${SOURCE_PATH}/LICENSE.TXT DESTINATION ${CURRENT_PACKAGES_DIR}/share/libwebm)
-file(RENAME ${CURRENT_PACKAGES_DIR}/share/libwebm/LICENSE.TXT ${CURRENT_PACKAGES_DIR}/share/libwebm/copyright)
+file(INSTALL ${SOURCE_PATH}/LICENSE.TXT DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
diff --git a/versions/baseline.json b/versions/baseline.json
index 6062b122bf..07fa06c7b4 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3521,8 +3521,8 @@
       "port-version": 3
     },
     "libwebm": {
-      "baseline": "1.0.0.27-5",
-      "port-version": 0
+      "baseline": "1.0.0.27",
+      "port-version": 6
     },
     "libwebp": {
       "baseline": "1.1.0",
diff --git a/versions/l-/libwebm.json b/versions/l-/libwebm.json
index 9e06264666..d24a3f5fe0 100644
--- a/versions/l-/libwebm.json
+++ b/versions/l-/libwebm.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "09eeb5a939e4dcb87f405fea40875b2a803cd381",
+      "version-string": "1.0.0.27",
+      "port-version": 6
+    },
     {
       "git-tree": "f0a6e61554dbc2b0682711214e704f8fc04275ae",
       "version-string": "1.0.0.27-5",