diff --git a/CMakeExternals/cpprestsdk.cmake b/CMakeExternals/cpprestsdk.cmake
index 93644937b8..fcda0c797c 100644
--- a/CMakeExternals/cpprestsdk.cmake
+++ b/CMakeExternals/cpprestsdk.cmake
@@ -1,39 +1,39 @@
 set(proj cpprestsdk)
 set(proj_DEPENDENCIES Boost ZLIB)
 
 if(MITK_USE_${proj})
   set(${proj}_DEPENDS ${proj})
 
   if(DEFINED ${proj}_DIR AND NOT EXISTS ${${proj}_DIR})
     message(FATAL_ERROR "${proj}_DIR variable is defined but corresponds to non-existing directory!")
   endif()
 
   if(NOT DEFINED ${proj}_DIR)
     set(cmake_cache_args
       ${ep_common_cache_args}
       -DBUILD_SAMPLES:BOOL=OFF
       -DBUILD_TESTS:BOOL=OFF
       -DWERROR:BOOL=OFF
     )
 
     if(OPENSSL_ROOT_DIR)
       list(APPEND cmake_cache_args
         -DOPENSSL_ROOT_DIR:PATH=${OPENSSL_ROOT_DIR}
       )
     endif()
 
     ExternalProject_Add(${proj}
       GIT_REPOSITORY https://github.com/microsoft/cpprestsdk.git
-      GIT_TAG v2.10.16
+      GIT_TAG v2.10.18
       SOURCE_SUBDIR Release
       CMAKE_ARGS ${ep_common_args}
       CMAKE_CACHE_ARGS ${cmake_cache_args}
       CMAKE_CACHE_DEFAULT_ARGS ${ep_common_cache_default_args}
       DEPENDS ${proj_DEPENDENCIES}
     )
 
     set(${proj}_DIR ${ep_prefix})
   else()
     mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
   endif()
 endif()