diff --git a/ports/grpc/00001-fix-uwp.patch b/ports/grpc/00001-fix-uwp.patch
index 79025276b4..eee4f14d19 100644
--- a/ports/grpc/00001-fix-uwp.patch
+++ b/ports/grpc/00001-fix-uwp.patch
@@ -1,8 +1,8 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 3f9d19e..25d96ab 100644
+index 8561c67..84de29f 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -144,6 +144,9 @@ if(UNIX)
+@@ -150,6 +150,9 @@ if(UNIX)
  endif()
  if(WIN32)
    set(_gRPC_PLATFORM_WINDOWS ON)
@@ -11,8 +11,8 @@ index 3f9d19e..25d96ab 100644
 +  endif()
  endif()
  
- set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
-@@ -160,6 +163,9 @@ if(MSVC)
+  # Use C99 standard
+@@ -174,6 +177,9 @@ if(MSVC)
    set(_gRPC_C_CXX_FLAGS "${_gRPC_C_CXX_FLAGS} /wd4267")
    # TODO(jtattermusch): needed to build boringssl with VS2017, revisit later
    set(_gRPC_C_CXX_FLAGS "${_gRPC_C_CXX_FLAGS} /wd4987 /wd4774 /wd4819 /wd4996 /wd4619")
@@ -22,7 +22,7 @@ index 3f9d19e..25d96ab 100644
  endif()
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_gRPC_C_CXX_FLAGS}")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_gRPC_C_CXX_FLAGS}")
-@@ -228,6 +234,10 @@ file(MAKE_DIRECTORY ${_gRPC_PROTO_GENS_DIR})
+@@ -237,6 +243,10 @@ file(MAKE_DIRECTORY ${_gRPC_PROTO_GENS_DIR})
  #     ``.proto`` files
  #
  function(protobuf_generate_grpc_cpp)
@@ -33,7 +33,7 @@ index 3f9d19e..25d96ab 100644
    if(NOT ARGN)
      message(SEND_ERROR "Error: PROTOBUF_GENERATE_GRPC_CPP() called without any proto files")
      return()
-@@ -300,6 +310,7 @@ if (gRPC_BUILD_GRPC_RUBY_PLUGIN)
+@@ -309,6 +319,7 @@ if (gRPC_BUILD_GRPC_RUBY_PLUGIN)
    list(APPEND _gRPC_PLUGIN_LIST grpc_ruby_plugin)
  endif ()
  
@@ -41,7 +41,7 @@ index 3f9d19e..25d96ab 100644
  add_custom_target(plugins
    DEPENDS ${_gRPC_PLUGIN_LIST}
  )
-@@ -321,6 +332,7 @@ add_custom_target(tools_cxx
+@@ -327,6 +338,7 @@ add_custom_target(tools_cxx
  
  add_custom_target(tools
    DEPENDS tools_c tools_cxx)
diff --git a/ports/grpc/00002-static-linking-in-linux.patch b/ports/grpc/00002-static-linking-in-linux.patch
index d496e54c4e..371873888b 100644
--- a/ports/grpc/00002-static-linking-in-linux.patch
+++ b/ports/grpc/00002-static-linking-in-linux.patch
@@ -1,16 +1,16 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 25d96ab..c4057b3 100644
+index 84de29f..0c6dc0e 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -152,6 +152,11 @@ endif()
- set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
- set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
+@@ -165,6 +165,11 @@ set(CMAKE_CXX_EXTENSIONS OFF)
  
+ set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
+ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
++ 
 +if (gRPC_STATIC_LINKING AND NOT _gRPC_PLATFORM_WINDOWS)
 +  # Force to static link
 +  set(CMAKE_EXE_LINKER_FLAGS "-Bstatic")
 +endif()
-+
+ 
  if(MSVC)
    include(cmake/msvc_static_runtime.cmake)
-   add_definitions(-D_WIN32_WINNT=0x600 -D_SCL_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS -D_WINSOCK_DEPRECATED_NO_WARNINGS)
diff --git a/ports/grpc/00005-fix-uwp-error.patch b/ports/grpc/00005-fix-uwp-error.patch
index 37748b09f0..93ac05d1b2 100644
--- a/ports/grpc/00005-fix-uwp-error.patch
+++ b/ports/grpc/00005-fix-uwp-error.patch
@@ -10,3 +10,16 @@ index c0e2164..331e54c 100644
    if (len <= sizeof(slice.data.inlined.bytes)) {
      slice.refcount = nullptr;
      slice.data.inlined.length = len;
+diff --git a/src/core/lib/surface/server.cc b/src/core/lib/surface/server.cc
+index 998eb6d..a6e26d3 100644
+--- a/src/core/lib/surface/server.cc
++++ b/src/core/lib/surface/server.cc
+@@ -1095,7 +1095,7 @@ grpc_call_error queue_call_request(grpc_server* server, size_t cq_idx,
+               GRPC_ERROR_CREATE_FROM_STATIC_STRING("Server Shutdown"));
+     return GRPC_CALL_OK;
+   }
+-  RequestMatcherInterface* rm;
++  RequestMatcherInterface* rm = nullptr;
+   switch (rc->type) {
+     case BATCH_CALL:
+       rm = server->unregistered_request_matcher;
diff --git a/ports/grpc/00009-use-system-upb.patch b/ports/grpc/00009-use-system-upb.patch
index 41a2d9ab6b..de6f07f5d0 100644
--- a/ports/grpc/00009-use-system-upb.patch
+++ b/ports/grpc/00009-use-system-upb.patch
@@ -1,136 +1,139 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index a6a0f23..1c170da 100644
+index 5ec669e..f71a212 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -1281,7 +1281,7 @@ target_link_libraries(alts_test_util
+@@ -81,6 +81,9 @@ set_property(CACHE gRPC_SSL_PROVIDER PROPERTY STRINGS "module" "package")
+ set(gRPC_PROTOBUF_PROVIDER "module" CACHE STRING "Provider of protobuf library")
+ set_property(CACHE gRPC_PROTOBUF_PROVIDER PROPERTY STRINGS "module" "package")
+ 
++set(gRPC_UPB_PROVIDER "module" CACHE STRING "Provider of upb library")
++set_property(CACHE gRPC_UPB_PROVIDER PROPERTY STRINGS "module" "package")
++
+ set(gRPC_PROTOBUF_PACKAGE_TYPE "" CACHE STRING "Algorithm for searching protobuf package")
+ set_property(CACHE gRPC_PROTOBUF_PACKAGE_TYPE PROPERTY STRINGS "CONFIG" "MODULE")
+ 
+@@ -1765,7 +1768,6 @@ target_link_libraries(grpc
    ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+   address_sorting
+-  upb
+   absl::optional
+   absl::strings
+   absl::inlined_vector
+@@ -1844,7 +1846,6 @@ target_link_libraries(grpc_csharp_ext
    grpc
    gpr
+   address_sorting
+-  upb
+ )
+ 
+ 
+@@ -2351,7 +2352,6 @@ target_link_libraries(grpc_unsecure
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+   address_sorting
+-  upb
+   absl::optional
+   absl::strings
+   absl::inlined_vector
+@@ -2545,7 +2545,6 @@ target_link_libraries(grpc++
+   grpc
+   gpr
+   address_sorting
 -  upb
-+  ${_gRPC_UPB_LIBRARIES}
  )
  
  foreach(_hdr
-@@ -1917,7 +1917,7 @@ target_link_libraries(grpc
-   ${_gRPC_UPB_LIBRARIES}
-   ${_gRPC_ALLTARGETS_LIBRARIES}
-   gpr
--  upb
-+  ${_gRPC_UPB_LIBRARIES}
- )
- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
-   target_link_libraries(grpc "-framework CoreFoundation")
-@@ -2328,7 +2328,7 @@ target_link_libraries(grpc_cronet
-   ${_gRPC_UPB_LIBRARIES}
-   ${_gRPC_ALLTARGETS_LIBRARIES}
-   gpr
--  upb
-+  ${_gRPC_UPB_LIBRARIES}
- )
- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
-   target_link_libraries(grpc_cronet "-framework CoreFoundation")
-@@ -2670,7 +2670,7 @@ target_link_libraries(grpc_test_util
-   ${_gRPC_ALLTARGETS_LIBRARIES}
-   gpr
+@@ -2821,7 +2820,6 @@ target_link_libraries(grpc++_alts
    grpc
--  upb
-+  ${_gRPC_UPB_LIBRARIES}
- )
- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
-   target_link_libraries(grpc_test_util "-framework CoreFoundation")
-@@ -3013,7 +3013,7 @@ target_link_libraries(grpc_test_util_unsecure
-   ${_gRPC_ALLTARGETS_LIBRARIES}
    gpr
+   address_sorting
+-  upb
+ )
+ 
+ foreach(_hdr
+@@ -2889,7 +2887,6 @@ target_link_libraries(grpc++_error_details
+   grpc
+   gpr
+   address_sorting
+-  upb
+ )
+ 
+ foreach(_hdr
+@@ -2962,7 +2959,6 @@ target_link_libraries(grpc++_reflection
+   grpc
+   gpr
+   address_sorting
+-  upb
+ )
+ 
+ foreach(_hdr
+@@ -3239,7 +3235,6 @@ target_link_libraries(grpc++_unsecure
    grpc_unsecure
--  upb
-+  ${_gRPC_UPB_LIBRARIES}
- )
- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
-   target_link_libraries(grpc_test_util_unsecure "-framework CoreFoundation")
-@@ -3404,7 +3404,7 @@ target_link_libraries(grpc_unsecure
-   ${_gRPC_UPB_LIBRARIES}
-   ${_gRPC_ALLTARGETS_LIBRARIES}
    gpr
+   address_sorting
 -  upb
-+  ${_gRPC_UPB_LIBRARIES}
  )
- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
-   target_link_libraries(grpc_unsecure "-framework CoreFoundation")
-@@ -3743,7 +3743,7 @@ target_link_libraries(grpc++
-   ${_gRPC_ALLTARGETS_LIBRARIES}
+ 
+ foreach(_hdr
+@@ -3586,7 +3581,6 @@ target_link_libraries(grpcpp_channelz
    grpc
    gpr
+   address_sorting
 -  upb
-+  ${_gRPC_UPB_LIBRARIES}
  )
  
  foreach(_hdr
-@@ -4070,7 +4070,7 @@ target_link_libraries(grpc++_alts
-   ${_gRPC_ALLTARGETS_LIBRARIES}
-   grpc++
-   gpr
--  upb
-+  ${_gRPC_UPB_LIBRARIES}
- )
- 
- foreach(_hdr
-@@ -4876,7 +4876,7 @@ target_link_libraries(grpc++_unsecure
-   ${_gRPC_ALLTARGETS_LIBRARIES}
-   gpr
-   grpc_unsecure
--  upb
-+  ${_gRPC_UPB_LIBRARIES}
- )
- 
- foreach(_hdr
-@@ -5898,7 +5898,7 @@ target_link_libraries(grpc_csharp_ext
- 
+@@ -3613,6 +3607,7 @@ endif()
  
  endif()
--
-+if(0)
+ 
++if (gRPC_UPB_PROVIDER STREQUAL "module")
  add_library(upb
    third_party/upb/upb/decode.c
    third_party/upb/upb/encode.c
-@@ -5938,10 +5938,10 @@ target_include_directories(upb
- target_link_libraries(upb
-   ${_gRPC_ALLTARGETS_LIBRARIES}
- )
+@@ -3662,7 +3657,7 @@ if(gRPC_INSTALL)
+     ARCHIVE DESTINATION ${gRPC_INSTALL_LIBDIR}
+   )
+ endif()
+-
 +endif()
  
  
--
--if(gRPC_INSTALL)
-+if(gRPC_INSTALL AND 0)
-   install(TARGETS upb EXPORT gRPCTargets
-     RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR}
-     LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR}
+ add_executable(check_epollexclusive
 diff --git a/cmake/gRPCConfig.cmake.in b/cmake/gRPCConfig.cmake.in
-index 5bfa73c..8a867df 100644
+index 5bfa73c..db0865e 100644
 --- a/cmake/gRPCConfig.cmake.in
 +++ b/cmake/gRPCConfig.cmake.in
 @@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/modules)
  @_gRPC_FIND_SSL@
  @_gRPC_FIND_CARES@
  @_gRPC_FIND_ABSL@
-+find_package(upb CONFIG)
++@_gRPC_FIND_UPB@
  
  # Targets
  include(${CMAKE_CURRENT_LIST_DIR}/gRPCTargets.cmake)
 diff --git a/cmake/upb.cmake b/cmake/upb.cmake
-index 2c0ab84..746e067 100644
+index 2c0ab84..07dd613 100644
 --- a/cmake/upb.cmake
 +++ b/cmake/upb.cmake
-@@ -12,9 +12,9 @@
+@@ -12,9 +12,18 @@
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
--set(UPB_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/upb)
-+find_package(upb REQUIRED)
-+set(_gRPC_UPB_INCLUDE_DIR)
++set(_gRPC_UPB_GRPC_GENERATED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src/core/ext/upb-generated")
++if (gRPC_UPB_PROVIDER STREQUAL "module")
+ set(UPB_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/upb)
  
--set(_gRPC_UPB_INCLUDE_DIR "${UPB_ROOT_DIR}")
- set(_gRPC_UPB_GRPC_GENERATED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src/core/ext/upb-generated")
+ set(_gRPC_UPB_INCLUDE_DIR "${UPB_ROOT_DIR}")
+-set(_gRPC_UPB_GRPC_GENERATED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src/core/ext/upb-generated")
  
--set(_gRPC_UPB_LIBRARIES upb)
-+set(_gRPC_UPB_LIBRARIES upb::upb)
+ set(_gRPC_UPB_LIBRARIES upb)
++
++elseif(gRPC_UPB_PROVIDER STREQUAL "package")
++    find_package(upb CONFIG REQUIRED)
++    set(_gRPC_UPB_LIBRARIES upb::upb)
++    set(_gRPC_UPB_INCLUDE_DIR)
++    set(upb ${_gRPC_UPB_LIBRARIES})
++    set(_gRPC_FIND_UPB "if(NOT upb_FOUND)\n  find_package(upb CONFIG REQUIRED)\nendif()")
++endif()
diff --git a/ports/grpc/00010-add-feature-absl-sync.patch b/ports/grpc/00010-add-feature-absl-sync.patch
index e16b1c2e31..8fb59a60e8 100644
--- a/ports/grpc/00010-add-feature-absl-sync.patch
+++ b/ports/grpc/00010-add-feature-absl-sync.patch
@@ -1,3 +1,25 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f71a212..77cf3de 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1771,6 +1771,8 @@ target_link_libraries(grpc
+   absl::optional
+   absl::strings
+   absl::inlined_vector
++  absl::time
++  absl::synchronization
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc "-framework CoreFoundation")
+@@ -2355,6 +2357,8 @@ target_link_libraries(grpc_unsecure
+   absl::optional
+   absl::strings
+   absl::inlined_vector
++  absl::time
++  absl::synchronization
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc_unsecure "-framework CoreFoundation")
 diff --git a/cmake/abseil-cpp.cmake b/cmake/abseil-cpp.cmake
 index 078d495..b6f50bd 100644
 --- a/cmake/abseil-cpp.cmake
@@ -10,16 +32,3 @@ index 078d495..b6f50bd 100644
 +    add_definitions(-DGPR_ABSEIL_SYNC=1)
 +  endif()
  endif()
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index df1703c..7667662 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -1464,6 +1464,8 @@ target_link_libraries(gpr
-   absl::str_format
-   absl::strings
-   absl::optional
-+  absl::time
-+  absl::synchronization
- )
- if(_gRPC_PLATFORM_ANDROID)
-   target_link_libraries(gpr
diff --git a/ports/grpc/CONTROL b/ports/grpc/CONTROL
index 8c1df3be4f..af06e82a49 100644
--- a/ports/grpc/CONTROL
+++ b/ports/grpc/CONTROL
@@ -1,5 +1,5 @@
 Source: grpc
-Version: 1.28.1-1
+Version: 1.29.1
 Build-Depends: zlib, openssl, protobuf, c-ares (!uwp), upb, abseil
 Homepage: https://github.com/grpc/grpc
 Description: An RPC library and framework
diff --git a/ports/grpc/portfile.cmake b/ports/grpc/portfile.cmake
index 39f1e67332..57fba090bd 100644
--- a/ports/grpc/portfile.cmake
+++ b/ports/grpc/portfile.cmake
@@ -5,8 +5,8 @@ endif()
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO grpc/grpc
-    REF cb81fe0dfaa424eb50de26fb7c904a27a78c3f76 #v1.28.1
-    SHA512 ff33c1afe413475846f53fd6b6921323019a6da2218fe4827e43e390e04ea073d8e56b0a9b32015233106a6d90a83eff0fa631df37a96036a9c810a4dc32ea4f
+    REF 7d89dbb311f049b43bda7bbf6f7d7bf1b4c24419 #v1.29.1
+    SHA512 403fa5e3f012786bb17ca32c760b6dfb22c5a5cfb473ba7fad657e26ab3986eb0203f7cbb501a8647fd5ef2571e5f4ee08c2c97d1dfda18ec5ab6a92c9fc3263
     HEAD_REF master
     PATCHES
         00001-fix-uwp.patch
@@ -50,6 +50,7 @@ vcpkg_configure_cmake(
         -DgRPC_SSL_PROVIDER=package
         -DgRPC_PROTOBUF_PROVIDER=package
         -DgRPC_ABSL_PROVIDER=package
+        -DgRPC_UPB_PROVIDER=package
         -DgRPC_PROTOBUF_PACKAGE_TYPE=CONFIG
         -DgRPC_CARES_PROVIDER=${cares_CARES_PROVIDER}
         -DgRPC_GFLAGS_PROVIDER=none
diff --git a/ports/offscale-libetcd-cpp/CONTROL b/ports/offscale-libetcd-cpp/CONTROL
index ec080142ce..e164c928ec 100644
--- a/ports/offscale-libetcd-cpp/CONTROL
+++ b/ports/offscale-libetcd-cpp/CONTROL
@@ -1,5 +1,5 @@
 Source: offscale-libetcd-cpp
-Version: 2019-07-10
+Version: 2019-07-10-1
 Homepage: https://github.com/offscale/libetcd-cpp
 Description: A C++ client library for etcd. etcd is a distributed, reliable key-value store.
 Build-Depends: grpc, protobuf
diff --git a/ports/offscale-libetcd-cpp/fix-dependency-grpc.patch b/ports/offscale-libetcd-cpp/fix-dependency-grpc.patch
new file mode 100644
index 0000000000..652720333e
--- /dev/null
+++ b/ports/offscale-libetcd-cpp/fix-dependency-grpc.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 0d9aad9..d68c5f7 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -70,7 +70,7 @@ endif()
+ target_include_directories(etcdcpp PRIVATE "generated/")
+ target_include_directories(etcdcpp INTERFACE "${CMAKE_INSTALL_PREFIX}/include")
+ 
+-target_link_libraries(etcdcpp PRIVATE gRPC::gpr gRPC::grpc gRPC::grpc++ gRPC::grpc_cronet)
++target_link_libraries(etcdcpp PRIVATE gRPC::gpr gRPC::grpc gRPC::grpc++ gRPC::grpc++_alts)
+ target_link_libraries(etcdcpp PRIVATE protobuf::libprotoc protobuf::libprotobuf)
+ 
+ install(TARGETS etcdcpp EXPORT etcdcpp DESTINATION lib)
diff --git a/ports/offscale-libetcd-cpp/portfile.cmake b/ports/offscale-libetcd-cpp/portfile.cmake
index ffe4519f89..e6857aa3d4 100644
--- a/ports/offscale-libetcd-cpp/portfile.cmake
+++ b/ports/offscale-libetcd-cpp/portfile.cmake
@@ -1,11 +1,10 @@
-include(vcpkg_common_functions)
-
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO offscale/libetcd-cpp
     REF 8607d8d7080c6eb447bc41b799a24bfdb87cf638
     SHA512 9bf4bf14fd52f4f6bbf8cf68de61e6a19eeffbdc501f05c8f614b5f13f206410884afd7fe226a077448e58e02990c65a6b27ee895ed34ba5ee701abe0500b875
     HEAD_REF master
+    PATCHES fix-dependency-grpc.patch
 )
 
 vcpkg_configure_cmake(
@@ -14,6 +13,6 @@ vcpkg_configure_cmake(
 )
 vcpkg_install_cmake()
 
-file(INSTALL ${SOURCE_PATH}/LICENSE-MIT DESTINATION ${CURRENT_PACKAGES_DIR}/share/offscale-libetcd-cpp RENAME copyright)
-
 vcpkg_copy_pdbs()
+
+file(INSTALL ${SOURCE_PATH}/LICENSE-MIT DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)