diff --git a/build/external/patches/quicly_0.1.3-vpp/0001-cmake-install.patch b/build/external/patches/quicly_0.1.3-vpp/0001-cmake-install.patch
new file mode 100644
index 0000000..35befd9
--- /dev/null
+++ b/build/external/patches/quicly_0.1.3-vpp/0001-cmake-install.patch
@@ -0,0 +1,30 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 5142bac..7b95f74 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -33,6 +33,8 @@ ENDIF(NOT CMAKE_BUILD_TYPE)
+ SET(CMAKE_C_FLAGS "-std=c99 -Wall -g ${CC_WARNING_FLAGS} ${CMAKE_C_FLAGS}")
+ SET(CMAKE_C_FLAGS_DEBUG "-O0")
+ SET(CMAKE_C_FLAGS_RELEASE "-O2")
++SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
++SET(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)
+ 
+ INCLUDE_DIRECTORIES(
+     ${OPENSSL_INCLUDE_DIR}
+@@ -118,6 +120,16 @@ TARGET_LINK_LIBRARIES(examples-echo quicly ${OPENSSL_LIBRARIES} ${CMAKE_DL_LIBS}
+ 
+ ADD_EXECUTABLE(udpfw t/udpfw.c)
+ 
++INSTALL (
++    DIRECTORY ${CMAKE_SOURCE_DIR}/include/
++    DESTINATION include
++    FILES_MATCHING PATTERN "*.h")
++
++INSTALL(TARGETS quicly
++        RUNTIME DESTINATION bin
++        LIBRARY DESTINATION lib
++        ARCHIVE DESTINATION lib)
++
+ ADD_CUSTOM_TARGET(check env BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR} WITH_DTRACE=${WITH_DTRACE} prove --exec "sh -c" -v ${CMAKE_CURRENT_BINARY_DIR}/*.t t/*.t
+     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+     DEPENDS cli test.t)
diff --git a/build/external/patches/quicly_0.1.3-vpp/0002-cmake-install-picotls.patch b/build/external/patches/quicly_0.1.3-vpp/0002-cmake-install-picotls.patch
new file mode 100644
index 0000000..56897e8
--- /dev/null
+++ b/build/external/patches/quicly_0.1.3-vpp/0002-cmake-install-picotls.patch
@@ -0,0 +1,30 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d1d6c09..90d7221 100644
+--- a/deps/picotls/CMakeLists.txt
++++ b/deps/picotls/CMakeLists.txt
+@@ -13,6 +13,9 @@ IF (WITH_DTRACE)
+ ENDIF ()
+ 
+ SET(CMAKE_C_FLAGS "-std=c99 -Wall -O2 -g ${CC_WARNING_FLAGS} ${CMAKE_C_FLAGS}")
++SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
++SET(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)
++
+ INCLUDE_DIRECTORIES(
+     deps/cifra/src/ext
+     deps/cifra/src
+@@ -161,6 +164,15 @@ TARGET_LINK_LIBRARIES(ptlsbench ${PTLSBENCH_LIBS})
+ 
+ ADD_CUSTOM_TARGET(check env BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR} prove --exec '' -v ${CMAKE_CURRENT_BINARY_DIR}/*.t t/*.t WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DEPENDS ${TEST_EXES} cli)
+ 
++INSTALL (DIRECTORY ${CMAKE_SOURCE_DIR}/include/
++    DESTINATION include
++    FILES_MATCHING PATTERN "*.h")
++
++INSTALL(TARGETS picotls-core picotls-openssl
++        RUNTIME DESTINATION bin
++        LIBRARY DESTINATION lib
++        ARCHIVE DESTINATION lib)
++
+ IF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+      SET(CMAKE_C_FLAGS "-D_GNU_SOURCE -pthread ${CMAKE_C_FLAGS}")
+ ELSEIF ("${CMAKE_SYSTEM_NAME}" MATCHES "SunOS")
diff --git a/build/external/patches/quicly_0.1.3-vpp/0003-unused-is-late-ack.patch b/build/external/patches/quicly_0.1.3-vpp/0003-unused-is-late-ack.patch
new file mode 100644
index 0000000..10c14da
--- /dev/null
+++ b/build/external/patches/quicly_0.1.3-vpp/0003-unused-is-late-ack.patch
@@ -0,0 +1,13 @@
+diff --git a/lib/quicly.c b/lib/quicly.c
+index 82ba627..8c0163e 100644
+--- a/lib/quicly.c
++++ b/lib/quicly.c
+@@ -4713,7 +4713,7 @@ static int handle_ack_frame(quicly_conn_t *conn, struct st_quicly_handle_payload
+             /* process newly acked packet */
+             if (state->epoch != sent->ack_epoch)
+                 return QUICLY_TRANSPORT_ERROR_PROTOCOL_VIOLATION;
+-            int is_late_ack = 0;
++            int __attribute__((unused)) is_late_ack = 0;
+             if (sent->ack_eliciting) {
+                 includes_ack_eliciting = 1;
+                 if (sent->cc_bytes_in_flight == 0) {