diff --git a/products/libllbuild/CMakeLists.txt b/products/libllbuild/CMakeLists.txt
index a821478bf..f7e50d88d 100644
--- a/products/libllbuild/CMakeLists.txt
+++ b/products/libllbuild/CMakeLists.txt
@@ -51,6 +51,11 @@ install(TARGETS llbuild
   LIBRARY DESTINATION lib${LLBUILD_LIBDIR_SUFFIX}
   RUNTIME DESTINATION bin
   COMPONENT llbuild)
+if(MSVC)
+  install(FILES $<TARGET_FILE_DIR:llbuild>/$<TARGET_FILE_BASE_NAME:llbuild>.pdb
+    DESTINATION bin
+    OPTIONAL)
+endif()
 set_property(GLOBAL APPEND PROPERTY LLBuild_EXPORTS llbuild)
 
 add_custom_target(install-llbuild
diff --git a/products/llbuildSwift/CMakeLists.txt b/products/llbuildSwift/CMakeLists.txt
index f3cb10566..9c4765e61 100644
--- a/products/llbuildSwift/CMakeLists.txt
+++ b/products/llbuildSwift/CMakeLists.txt
@@ -65,6 +65,11 @@ install(TARGETS llbuildSwift
   ARCHIVE DESTINATION lib/swift/pm/llbuild COMPONENT libllbuildSwift
   LIBRARY DESTINATION lib/swift/pm/llbuild COMPONENT libllbuildSwift
   RUNTIME DESTINATION bin COMPONENT libllbuildSwift)
+if(MSVC)
+  install(FILES $<TARGET_FILE_DIR:llbuildSwift>/$<TARGET_FILE_BASE_NAME:llbuildSwift>.pdb
+    DESTINATION bin
+    OPTIONAL)
+endif()
 set_property(GLOBAL APPEND PROPERTY LLBuild_EXPORTS llbuildSwift)
 
 # Add install target.
diff --git a/products/swift-build-tool/CMakeLists.txt b/products/swift-build-tool/CMakeLists.txt
index 7ccc9abed..7023120a2 100644
--- a/products/swift-build-tool/CMakeLists.txt
+++ b/products/swift-build-tool/CMakeLists.txt
@@ -16,6 +16,11 @@ endif()
 install(TARGETS swift-build-tool
         COMPONENT swift-build-tool
         DESTINATION bin)
+if(MSVC)
+  install(FILES $<TARGET_FILE_DIR:swift-build-tool>/$<TARGET_FILE_BASE_NAME:swift-build-tool>.pdb
+          DESTINATION bin
+          OPTIONAL)
+endif()
 
 add_custom_target(install-swift-build-tool
                   DEPENDS swift-build-tool