diff --git a/lldb/source/Host/CMakeLists.txt b/lldb/source/Host/CMakeLists.txt
--- a/lldb/source/Host/CMakeLists.txt
+++ b/lldb/source/Host/CMakeLists.txt
@@ -161,6 +161,9 @@
 if (LLDB_ENABLE_LZMA)
   list(APPEND EXTRA_LIBS ${LIBLZMA_LIBRARIES})
 endif()
+if (WIN32)
+  list(APPEND LLDB_SYSTEM_LIBS psapi)
+endif ()
 
 if (LLDB_ENABLE_LIBEDIT)
   list(APPEND LLDB_LIBEDIT_LIBS ${LibEdit_LIBRARIES})
diff --git a/lldb/source/Plugins/Process/Windows/Common/CMakeLists.txt b/lldb/source/Plugins/Process/Windows/Common/CMakeLists.txt
--- a/lldb/source/Plugins/Process/Windows/Common/CMakeLists.txt
+++ b/lldb/source/Plugins/Process/Windows/Common/CMakeLists.txt
@@ -29,6 +29,7 @@
     lldbTarget
     ws2_32
     rpcrt4
+    psapi
   LINK_COMPONENTS
     Support
   )