diff --git a/clang-tools-extra/clangd/FindTarget.cpp b/clang-tools-extra/clangd/FindTarget.cpp
--- a/clang-tools-extra/clangd/FindTarget.cpp
+++ b/clang-tools-extra/clangd/FindTarget.cpp
@@ -710,7 +710,8 @@
     Finder.add(CCI, Flags);
   else if (const TemplateArgumentLoc *TAL = N.get<TemplateArgumentLoc>())
     Finder.add(TAL->getArgument(), Flags);
-
+  else if (const CXXBaseSpecifier *CBS = N.get<CXXBaseSpecifier>())
+    Finder.add(CBS->getTypeSourceInfo()->getType(), Flags);
   return Finder.takeDecls();
 }
 
diff --git a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
--- a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -230,6 +230,24 @@
                {"void waldo()"});
 }
 
+TEST_F(TargetDeclTest, BaseSpecifier) {
+  Code = R"cpp(
+    struct X {};
+    struct Y : [[private]] X {};
+  )cpp";
+  EXPECT_DECLS("CXXBaseSpecifier", "struct X");
+  Code = R"cpp(
+    struct X {};
+    struct Y : [[private X]] {};
+  )cpp";
+  EXPECT_DECLS("CXXBaseSpecifier", "struct X");
+  Code = R"cpp(
+    struct X {};
+    struct Y : private [[X]] {};
+  )cpp";
+  EXPECT_DECLS("RecordTypeLoc", "struct X");
+}
+
 TEST_F(TargetDeclTest, ConstructorInitList) {
   Code = R"cpp(
     struct X {