diff --git a/third_party/protobuf/BUILD.gn b/third_party/protobuf/BUILD.gn
index 8e42cf8..d33c588 100644
--- a/third_party/protobuf/BUILD.gn
+++ b/third_party/protobuf/BUILD.gn
@@ -15,6 +15,7 @@
 import("//build_overrides/pigweed.gni")
 
 import("$dir_pw_build/target_types.gni")
+import("$dir_pw_protobuf_compiler/proto.gni")
 import("protobuf.gni")
 
 # This file defines a GN source_set for an external installation of protobuf.
@@ -146,6 +147,23 @@
     public_deps = [ ":libprotobuf_lite" ]
     configs = [ ":defines" ]
   }
+
+  pw_proto_library("wellknown_types") {
+    sources = [
+      "$dir_pw_third_party_protobuf/src/google/protobuf/any.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/api.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/descriptor.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/duration.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/empty.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/field_mask.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/source_context.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/struct.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/timestamp.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/type.proto",
+      "$dir_pw_third_party_protobuf/src/google/protobuf/wrappers.proto",
+    ]
+    strip_prefix = "$dir_pw_third_party_protobuf/src/"
+  }
 } else {
   # As mentioned above, these targets are effectively disabled if the build
   # argument pointing to the protobuf source directory is not set.