diff --git a/BUILD b/BUILD
index 71e3ad5877002..7671c8fbabab8 100644
--- a/BUILD
+++ b/BUILD
@@ -155,7 +155,7 @@ g_stands_for = "gravity"  # @unused
 
 core_version = "23.0.0"  # @unused
 
-version = "1.45.1"  # @unused
+version = "1.45.2"  # @unused
 
 GPR_PUBLIC_HDRS = [
     "include/grpc/support/alloc.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73ba526c870c9..a8fd3bf37b39f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,12 +25,12 @@
 cmake_minimum_required(VERSION 3.5.1)
 
 set(PACKAGE_NAME          "grpc")
-set(PACKAGE_VERSION       "1.45.1")
+set(PACKAGE_VERSION       "1.45.2")
 set(gRPC_CORE_VERSION     "23.0.0")
 set(gRPC_CORE_SOVERSION   "23")
-set(gRPC_CPP_VERSION      "1.45.1")
+set(gRPC_CPP_VERSION      "1.45.2")
 set(gRPC_CPP_SOVERSION    "1.45")
-set(gRPC_CSHARP_VERSION   "2.45.1")
+set(gRPC_CSHARP_VERSION   "2.45.2")
 set(gRPC_CSHARP_SOVERSION "2.45")
 set(PACKAGE_STRING        "${PACKAGE_NAME} ${PACKAGE_VERSION}")
 set(PACKAGE_TARNAME       "${PACKAGE_NAME}-${PACKAGE_VERSION}")
@@ -292,7 +292,7 @@ endif()
 if (gRPC_XDS_USER_AGENT_IS_CSHARP)
   # The value of the defines needs to contain quotes.
   # See https://github.com/grpc/grpc/blob/fbf32836a418cc84f58786700273b65cb9174e1d/src/core/ext/xds/xds_api.cc#L854
-  add_definitions("-DGRPC_XDS_USER_AGENT_NAME_SUFFIX=\"csharp\"" "-DGRPC_XDS_USER_AGENT_VERSION_SUFFIX=\"2.45.1\"")
+  add_definitions("-DGRPC_XDS_USER_AGENT_NAME_SUFFIX=\"csharp\"" "-DGRPC_XDS_USER_AGENT_VERSION_SUFFIX=\"2.45.2\"")
 endif()
 
 if(UNIX)
diff --git a/Makefile b/Makefile
index 02d742c1f30f4..5917920e6f79e 100644
--- a/Makefile
+++ b/Makefile
@@ -447,8 +447,8 @@ Q = @
 endif
 
 CORE_VERSION = 23.0.0
-CPP_VERSION = 1.45.1
-CSHARP_VERSION = 2.45.1
+CPP_VERSION = 1.45.2
+CSHARP_VERSION = 2.45.2
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
diff --git a/_metadata.py b/_metadata.py
index 90e03e4ebd0c2..2e017c9ae8a6c 100644
--- a/_metadata.py
+++ b/_metadata.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/_metadata.py.template`!!!
 
-__version__ = """1.45.1"""
+__version__ = """1.45.2"""
diff --git a/build_handwritten.yaml b/build_handwritten.yaml
index f8b8cfd92d91c..afd8b2165594d 100644
--- a/build_handwritten.yaml
+++ b/build_handwritten.yaml
@@ -16,7 +16,7 @@ settings:
   csharp_major_version: 2
   g_stands_for: gravity
   protobuf_version: 3.19.4
-  version: 1.45.1
+  version: 1.45.2
 targets:
 - name: check_epollexclusive
   build: tool
diff --git a/config.m4 b/config.m4
index d1d5b94c403d3..a8c18b820f25c 100644
--- a/config.m4
+++ b/config.m4
@@ -1159,7 +1159,7 @@ if test "$PHP_GRPC" != "no"; then
     -D_HAS_EXCEPTIONS=0 -DNOMINMAX -DGRPC_ARES=0 \
     -DGRPC_POSIX_FORK_ALLOW_PTHREAD_ATFORK=1 \
     -DGRPC_XDS_USER_AGENT_NAME_SUFFIX='"\"PHP\""' \
-    -DGRPC_XDS_USER_AGENT_VERSION_SUFFIX='"\"1.45.1\""')
+    -DGRPC_XDS_USER_AGENT_VERSION_SUFFIX='"\"1.45.2\""')
 
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/census)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel)
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 2390371a57f6d..dd57abe9d1128 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -22,7 +22,7 @@
 Pod::Spec.new do |s|
   s.name     = 'gRPC-C++'
   # TODO (mxyan): use version that match gRPC version when pod is stabilized
-  version = '1.45.1'
+  version = '1.45.2'
   s.version  = version
   s.summary  = 'gRPC C++ library'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index f8c16fe764838..cb6b7b8f15467 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-Core'
-  version = '1.45.1'
+  version = '1.45.2'
   s.version  = version
   s.summary  = 'Core cross-platform gRPC library, written in C'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index 4e4161b53bc31..d6914a3149d8a 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-ProtoRPC'
-  version = '1.45.1'
+  version = '1.45.2'
   s.version  = version
   s.summary  = 'RPC library for Protocol Buffers, based on gRPC'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
index c1b720d9e9534..df8f111b4b577 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-RxLibrary'
-  version = '1.45.1'
+  version = '1.45.2'
   s.version  = version
   s.summary  = 'Reactive Extensions library for iOS/OSX.'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC.podspec b/gRPC.podspec
index 92eeb023c4a0b..2dc21ef343ec3 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -20,7 +20,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  version = '1.45.1'
+  version = '1.45.2'
   s.version  = version
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'https://grpc.io'
diff --git a/package.xml b/package.xml
index a1450fd55ebb1..70bcc406ecc5f 100644
--- a/package.xml
+++ b/package.xml
@@ -13,8 +13,8 @@
  <date>2019-09-24</date>
  <time>16:06:07</time>
  <version>
-  <release>1.45.1</release>
-  <api>1.45.1</api>
+  <release>1.45.2</release>
+  <api>1.45.2</api>
  </version>
  <stability>
   <release>stable</release>
@@ -22,7 +22,7 @@
  </stability>
  <license>Apache 2.0</license>
  <notes>
-- gRPC Core 1.45.1 update
+- gRPC Core 1.45.2 update
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">
diff --git a/src/cpp/common/version_cc.cc b/src/cpp/common/version_cc.cc
index 9610cebb1d898..0c37f795bb2dc 100644
--- a/src/cpp/common/version_cc.cc
+++ b/src/cpp/common/version_cc.cc
@@ -22,5 +22,5 @@
 #include <grpcpp/grpcpp.h>
 
 namespace grpc {
-std::string Version() { return "1.45.1"; }
+std::string Version() { return "1.45.2"; }
 }  // namespace grpc
diff --git a/src/csharp/Grpc.Core.Api/VersionInfo.cs b/src/csharp/Grpc.Core.Api/VersionInfo.cs
index 3543eb821eb36..57de057af2473 100644
--- a/src/csharp/Grpc.Core.Api/VersionInfo.cs
+++ b/src/csharp/Grpc.Core.Api/VersionInfo.cs
@@ -33,11 +33,11 @@ public static class VersionInfo
         /// <summary>
         /// Current <c>AssemblyFileVersion</c> of gRPC C# assemblies
         /// </summary>
-        public const string CurrentAssemblyFileVersion = "2.45.1.0";
+        public const string CurrentAssemblyFileVersion = "2.45.2.0";
 
         /// <summary>
         /// Current version of gRPC C#
         /// </summary>
-        public const string CurrentVersion = "2.45.1";
+        public const string CurrentVersion = "2.45.2";
     }
 }
diff --git a/src/csharp/build/dependencies.props b/src/csharp/build/dependencies.props
index 4259c83d45a49..37edc25eee1ac 100644
--- a/src/csharp/build/dependencies.props
+++ b/src/csharp/build/dependencies.props
@@ -1,7 +1,7 @@
 <!-- This file is generated -->
 <Project>
   <PropertyGroup>
-    <GrpcCsharpVersion>2.45.1</GrpcCsharpVersion>
+    <GrpcCsharpVersion>2.45.2</GrpcCsharpVersion>
     <GoogleProtobufVersion>3.19.4</GoogleProtobufVersion>
   </PropertyGroup>
 </Project>
diff --git a/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
index a6ddfd22569c1..747882b886c7a 100644
--- a/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
@@ -42,7 +42,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCCppPlugin'
-  v = '1.45.1'
+  v = '1.45.2'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates C++ files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
index 07ae54fe49758..9118151ae41af 100644
--- a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
@@ -42,7 +42,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCPlugin'
-  v = '1.45.1'
+  v = '1.45.2'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates Objective-C files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/GRPCClient/version.h b/src/objective-c/GRPCClient/version.h
index 31b04bf96e2bc..9866f5ed4dda9 100644
--- a/src/objective-c/GRPCClient/version.h
+++ b/src/objective-c/GRPCClient/version.h
@@ -22,4 +22,4 @@
 // instead. This file can be regenerated from the template by running
 // `tools/buildgen/generate_projects.sh`.
 
-#define GRPC_OBJC_VERSION_STRING @"1.45.1"
+#define GRPC_OBJC_VERSION_STRING @"1.45.2"
diff --git a/src/objective-c/tests/version.h b/src/objective-c/tests/version.h
index 590993c323f41..b68a2cae08028 100644
--- a/src/objective-c/tests/version.h
+++ b/src/objective-c/tests/version.h
@@ -22,5 +22,5 @@
 // instead. This file can be regenerated from the template by running
 // `tools/buildgen/generate_projects.sh`.
 
-#define GRPC_OBJC_VERSION_STRING @"1.45.1"
+#define GRPC_OBJC_VERSION_STRING @"1.45.2"
 #define GRPC_C_VERSION_STRING @"23.0.0"
diff --git a/src/php/composer.json b/src/php/composer.json
index 4925ecb7bf6dd..acb4aab886917 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -2,7 +2,7 @@
   "name": "grpc/grpc-dev",
   "description": "gRPC library for PHP - for Development use only",
   "license": "Apache-2.0",
-  "version": "1.45.1",
+  "version": "1.45.2",
   "require": {
     "php": ">=7.0.0",
     "google/protobuf": "^v3.3.0"
diff --git a/src/php/ext/grpc/version.h b/src/php/ext/grpc/version.h
index 08621e32d8d8f..894c08980bf71 100644
--- a/src/php/ext/grpc/version.h
+++ b/src/php/ext/grpc/version.h
@@ -20,6 +20,6 @@
 #ifndef VERSION_H
 #define VERSION_H
 
-#define PHP_GRPC_VERSION "1.45.1"
+#define PHP_GRPC_VERSION "1.45.2"
 
 #endif /* VERSION_H */
diff --git a/src/python/grpcio/grpc/_grpcio_metadata.py b/src/python/grpcio/grpc/_grpcio_metadata.py
index 5c039587374ed..a2445c9ff8980 100644
--- a/src/python/grpcio/grpc/_grpcio_metadata.py
+++ b/src/python/grpcio/grpc/_grpcio_metadata.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc/_grpcio_metadata.py.template`!!!
 
-__version__ = """1.45.1"""
+__version__ = """1.45.2"""
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index d1f3cd29da620..d238a01904779 100644
--- a/src/python/grpcio/grpc_version.py
+++ b/src/python/grpcio/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_admin/grpc_version.py b/src/python/grpcio_admin/grpc_version.py
index 8f3069fe7ffda..f979980567111 100644
--- a/src/python/grpcio_admin/grpc_version.py
+++ b/src/python/grpcio_admin/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_admin/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_channelz/grpc_version.py b/src/python/grpcio_channelz/grpc_version.py
index 43238af7fa1d4..9f37d49c66abe 100644
--- a/src/python/grpcio_channelz/grpc_version.py
+++ b/src/python/grpcio_channelz/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_channelz/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_csds/grpc_version.py b/src/python/grpcio_csds/grpc_version.py
index 059dc19daa230..562f46aaad0b9 100644
--- a/src/python/grpcio_csds/grpc_version.py
+++ b/src/python/grpcio_csds/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_csds/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_health_checking/grpc_version.py b/src/python/grpcio_health_checking/grpc_version.py
index 3b140655309de..c0aa4adcc3811 100644
--- a/src/python/grpcio_health_checking/grpc_version.py
+++ b/src/python/grpcio_health_checking/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_health_checking/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_reflection/grpc_version.py b/src/python/grpcio_reflection/grpc_version.py
index 2d1f3850d8247..a8dc009931366 100644
--- a/src/python/grpcio_reflection/grpc_version.py
+++ b/src/python/grpcio_reflection/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_reflection/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_status/grpc_version.py b/src/python/grpcio_status/grpc_version.py
index e8547eee139e3..098879e16e4bd 100644
--- a/src/python/grpcio_status/grpc_version.py
+++ b/src/python/grpcio_status/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_status/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_testing/grpc_version.py b/src/python/grpcio_testing/grpc_version.py
index da37e7c74c5e8..cba93f536b830 100644
--- a/src/python/grpcio_testing/grpc_version.py
+++ b/src/python/grpcio_testing/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_testing/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/python/grpcio_tests/grpc_version.py b/src/python/grpcio_tests/grpc_version.py
index 74bcc0e124988..cd0e01c31689a 100644
--- a/src/python/grpcio_tests/grpc_version.py
+++ b/src/python/grpcio_tests/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_tests/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
diff --git a/src/ruby/ext/grpc/extconf.rb b/src/ruby/ext/grpc/extconf.rb
index 2df16cde8e276..cb47a0273de3f 100644
--- a/src/ruby/ext/grpc/extconf.rb
+++ b/src/ruby/ext/grpc/extconf.rb
@@ -60,7 +60,7 @@
 
 ENV['CPPFLAGS'] = '-DGPR_BACKWARDS_COMPATIBILITY_MODE'
 ENV['CPPFLAGS'] += ' -DGRPC_XDS_USER_AGENT_NAME_SUFFIX="\"RUBY\"" '
-ENV['CPPFLAGS'] += ' -DGRPC_XDS_USER_AGENT_VERSION_SUFFIX="\"1.45.1\"" '
+ENV['CPPFLAGS'] += ' -DGRPC_XDS_USER_AGENT_VERSION_SUFFIX="\"1.45.2\"" '
 
 output_dir = File.expand_path(RbConfig::CONFIG['topdir'])
 grpc_lib_dir = File.join(output_dir, 'libs', grpc_config)
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index 93bb88522e6ff..21a0c4e8d55be 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -14,5 +14,5 @@
 
 # GRPC contains the General RPC module.
 module GRPC
-  VERSION = '1.45.1'
+  VERSION = '1.45.2'
 end
diff --git a/src/ruby/tools/version.rb b/src/ruby/tools/version.rb
index fcf0925fc8372..a3ecc10393a08 100644
--- a/src/ruby/tools/version.rb
+++ b/src/ruby/tools/version.rb
@@ -14,6 +14,6 @@
 
 module GRPC
   module Tools
-    VERSION = '1.45.1'
+    VERSION = '1.45.2'
   end
 end
diff --git a/tools/distrib/python/grpc_version.py b/tools/distrib/python/grpc_version.py
index 25c7ed417751a..4eba355ea40db 100644
--- a/tools/distrib/python/grpc_version.py
+++ b/tools/distrib/python/grpc_version.py
@@ -14,5 +14,5 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
 PROTOBUF_VERSION = '3.19.4'
diff --git a/tools/distrib/python/grpcio_tools/grpc_version.py b/tools/distrib/python/grpcio_tools/grpc_version.py
index ddaaf99b98c86..ef9acf8caea2e 100644
--- a/tools/distrib/python/grpcio_tools/grpc_version.py
+++ b/tools/distrib/python/grpcio_tools/grpc_version.py
@@ -14,5 +14,5 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION = '1.45.1'
+VERSION = '1.45.2'
 PROTOBUF_VERSION = '3.19.4'
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 6bf2f9bacc7f0..70dc09c627c1f 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.45.1
+PROJECT_NUMBER         = 1.45.2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index b02597f5a482d..4010cf7ae7365 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.45.1
+PROJECT_NUMBER         = 1.45.2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.objc b/tools/doxygen/Doxyfile.objc
index ac9c89bed4b1d..92c8abd6ca775 100644
--- a/tools/doxygen/Doxyfile.objc
+++ b/tools/doxygen/Doxyfile.objc
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Objective-C"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.45.1
+PROJECT_NUMBER         = 1.45.2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.objc.internal b/tools/doxygen/Doxyfile.objc.internal
index 6f0a35052fbe8..c42a6f2066b58 100644
--- a/tools/doxygen/Doxyfile.objc.internal
+++ b/tools/doxygen/Doxyfile.objc.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Objective-C"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.45.1
+PROJECT_NUMBER         = 1.45.2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.php b/tools/doxygen/Doxyfile.php
index 675c2f233bce4..b7a37a24cc0d2 100644
--- a/tools/doxygen/Doxyfile.php
+++ b/tools/doxygen/Doxyfile.php
@@ -40,7 +40,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.45.1
+PROJECT_NUMBER         = 1.45.2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a