diff --git a/grpc-1.48.4-abseil-cpp-includes.patch b/grpc-1.48.4-abseil-cpp-includes.patch
new file mode 100644
index 0000000..90ef0df
--- /dev/null
+++ b/grpc-1.48.4-abseil-cpp-includes.patch
@@ -0,0 +1,117 @@
+From a133d644138b6018b5df2bcb4bba07211a9ac5b7 Mon Sep 17 00:00:00 2001
+From: "Benjamin A. Beasley" <code@musicinmybrain.net>
+Date: Wed, 17 Jan 2024 21:43:39 -0500
+Subject: [PATCH 1/3] Add some missing #includes for absl/strings/str_cat.h
+
+Partial backport of a giant IWYU commit:
+
+https://github.com/grpc/grpc/commit/8174a75079bc00aec4f80e3cd9f91a7042073ca8
+
+Needed for abseil-cpp-20240116.rc1 compatibility.
+---
+ test/core/address_utils/sockaddr_utils_test.cc | 1 +
+ test/core/channel/call_finalization_test.cc    | 1 +
+ test/core/json/json_test.cc                    | 1 +
+ 3 files changed, 3 insertions(+)
+
+diff --git a/test/core/address_utils/sockaddr_utils_test.cc b/test/core/address_utils/sockaddr_utils_test.cc
+index 3ecb5a7f82..e071d94e41 100644
+--- a/test/core/address_utils/sockaddr_utils_test.cc
++++ b/test/core/address_utils/sockaddr_utils_test.cc
+@@ -24,6 +24,7 @@
+ #include <sys/un.h>
+ #endif
+ 
++#include "absl/strings/str_cat.h"
+ #include <gtest/gtest.h>
+ 
+ #include <grpc/grpc.h>
+diff --git a/test/core/channel/call_finalization_test.cc b/test/core/channel/call_finalization_test.cc
+index 61d92c5f56..0ff7a00cff 100644
+--- a/test/core/channel/call_finalization_test.cc
++++ b/test/core/channel/call_finalization_test.cc
+@@ -14,6 +14,7 @@
+ 
+ #include "src/core/lib/channel/call_finalization.h"
+ 
++#include "absl/strings/str_cat.h"
+ #include <gtest/gtest.h>
+ 
+ #include "src/core/lib/resource_quota/resource_quota.h"
+diff --git a/test/core/json/json_test.cc b/test/core/json/json_test.cc
+index 232caca9ba..ff26b7ee75 100644
+--- a/test/core/json/json_test.cc
++++ b/test/core/json/json_test.cc
+@@ -20,6 +20,7 @@
+ 
+ #include <string.h>
+ 
++#include "absl/strings/str_cat.h"
+ #include <gmock/gmock.h>
+ #include <gtest/gtest.h>
+ 
+-- 
+2.43.0
+
+
+From 9f2762981680094d97a6092e76c8b94309df9512 Mon Sep 17 00:00:00 2001
+From: Esun Kim <veblush@google.com>
+Date: Thu, 14 Sep 2023 17:25:41 -0700
+Subject: [PATCH 2/3] [Fix] Added missing #include (#34359)
+
+One more missing #include
+---
+ test/core/tsi/crl_ssl_transport_security_test.cc | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/test/core/tsi/crl_ssl_transport_security_test.cc b/test/core/tsi/crl_ssl_transport_security_test.cc
+index 5e4dc1b57e..dd33173abf 100644
+--- a/test/core/tsi/crl_ssl_transport_security_test.cc
++++ b/test/core/tsi/crl_ssl_transport_security_test.cc
+@@ -19,6 +19,8 @@
+ #include <gmock/gmock.h>
+ #include <gtest/gtest.h>
+ 
++#include "absl/strings/str_cat.h"
++
+ #include <grpc/grpc.h>
+ #include <grpc/support/alloc.h>
+ #include <grpc/support/log.h>
+-- 
+2.43.0
+
+
+From 8a53ca0b02de4074763ec970c85ab9594d99532c Mon Sep 17 00:00:00 2001
+From: "Benjamin A. Beasley" <code@musicinmybrain.net>
+Date: Thu, 18 Jan 2024 08:07:10 -0500
+Subject: [PATCH 3/3] Add abseil includes in test/cpp/end2end/xds/xds_server.h
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This follows the IWYU “philosophy,” but the necessary includes were
+found and added manually.
+
+Needed for compatibility with abseil-cpp 20240116.rc1.
+---
+ test/cpp/end2end/xds/xds_server.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/test/cpp/end2end/xds/xds_server.h b/test/cpp/end2end/xds/xds_server.h
+index 066629b101..4499af1a8d 100644
+--- a/test/cpp/end2end/xds/xds_server.h
++++ b/test/cpp/end2end/xds/xds_server.h
+@@ -26,6 +26,10 @@
+ #include <gmock/gmock.h>
+ #include <gtest/gtest.h>
+ 
++#include "absl/status/status.h"
++#include "absl/strings/numbers.h"
++#include "absl/strings/string_view.h"
++#include "absl/time/time.h"
+ #include "absl/types/optional.h"
+ 
+ #include <grpc/support/log.h>
+-- 
+2.43.0
+
diff --git a/grpc.spec b/grpc.spec
index 4f64c1c..fb6084f 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -390,6 +390,17 @@ Patch:          grpc-1.48.4-wrap_socket.patch
 #
 # Backported to 1.48.4.
 Patch:          grpc-1.48.4-find_module.patch
+# Backport several #include directives
+# These were included in https://github.com/grpc/grpc/pull/30952
+#
+# [Fix] Added missing #include (#34359)
+# See: https://github.com/grpc/grpc/pull/34359
+#
+# Add abseil includes in test/cpp/end2end/xds/xds_server.h
+# Downstream-only because the current release, 1.60.0, builds without changes.
+#
+# Together, these fix compatibility with abseil-cpp-20240116.rc1.
+Patch:          grpc-1.48.4-abseil-cpp-includes.patch
 
 # [http2] Dont drop connections on metadata limit exceeded (#32309)
 #