diff --git a/ports/cpprestsdk/0003_openssl_110.patch b/ports/cpprestsdk/0003_openssl_110.patch
new file mode 100644
index 0000000000..b2b361187e
--- /dev/null
+++ b/ports/cpprestsdk/0003_openssl_110.patch
@@ -0,0 +1,14 @@
+diff --git a/Release/src/websockets/client/ws_client_wspp.cpp b/Release/src/websockets/client/ws_client_wspp.cpp
+index 9f91d68..4b5d506 100644
+--- a/Release/src/websockets/client/ws_client_wspp.cpp
++++ b/Release/src/websockets/client/ws_client_wspp.cpp
+@@ -76,7 +76,9 @@ static struct ASIO_SSL_memory_leak_suppress
+ {
+     ~ASIO_SSL_memory_leak_suppress()
+     {
++#if OPENSSL_VERSION_NUMBER < 0x10100000L
+         ::SSL_COMP_free_compression_methods();
++#endif
+     }
+ } ASIO_SSL_memory_leak_suppressor;
+ 
diff --git a/ports/cpprestsdk/CONTROL b/ports/cpprestsdk/CONTROL
index f22ee98542..9831af585c 100644
--- a/ports/cpprestsdk/CONTROL
+++ b/ports/cpprestsdk/CONTROL
@@ -1,5 +1,5 @@
 Source: cpprestsdk
-Version: 2.9.0-3
+Version: 2.9.0-4
 Build-Depends: zlib (windows), openssl (windows), boost (windows), websocketpp (windows)
 Description: C++11 JSON, REST, and OAuth library
   The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to and interact with services.
diff --git a/ports/cpprestsdk/portfile.cmake b/ports/cpprestsdk/portfile.cmake
index 7482760d3d..83b38a92de 100644
--- a/ports/cpprestsdk/portfile.cmake
+++ b/ports/cpprestsdk/portfile.cmake
@@ -13,6 +13,7 @@ if(NOT VCPKG_USE_HEAD_VERSION)
         PATCHES
             ${CMAKE_CURRENT_LIST_DIR}/0001_cmake.patch
             ${CMAKE_CURRENT_LIST_DIR}/0002_no_websocketpp_in_uwp.patch
+            ${CMAKE_CURRENT_LIST_DIR}/0003_openssl_110.patch
     )
 endif()