diff --git a/build_all/docs/Doxyfile b/build_all/docs/Doxyfile
index 26941e60a0..a91b4a9ec2 100644
--- a/build_all/docs/Doxyfile
+++ b/build_all/docs/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Microsoft Azure IoT Device SDK for C"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.9.0
+PROJECT_NUMBER         = 1.9.1
 
 # 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/iothub_client/inc/iothub_client_version.h b/iothub_client/inc/iothub_client_version.h
index fb881ee816..8c29283a51 100644
--- a/iothub_client/inc/iothub_client_version.h
+++ b/iothub_client/inc/iothub_client_version.h
@@ -9,7 +9,7 @@
 #define IOTHUB_CLIENT_VERSION_H
 
 /** @brief Macro representing current IoT Hub Client SDK version. */
-#define IOTHUB_SDK_VERSION "1.9.0"
+#define IOTHUB_SDK_VERSION "1.9.1"
 
 #include "umock_c/umock_c_prod.h"
 
diff --git a/iothub_client/tests/iothubclient_ll_u2b_ut/iothub_client_ll_u2b_ut.c b/iothub_client/tests/iothubclient_ll_u2b_ut/iothub_client_ll_u2b_ut.c
index db55e50d01..00fad6338e 100644
--- a/iothub_client/tests/iothubclient_ll_u2b_ut/iothub_client_ll_u2b_ut.c
+++ b/iothub_client/tests/iothubclient_ll_u2b_ut/iothub_client_ll_u2b_ut.c
@@ -72,7 +72,7 @@ MOCKABLE_FUNCTION(, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_RESULT, TestMultiBlockUpl
 #define TEST_STRING_HANDLE_DEVICE_SAS ((STRING_HANDLE)0x2)
 
 #define TEST_API_VERSION "?api-version=2016-11-14"
-#define TEST_IOTHUB_SDK_VERSION "1.9.0"
+#define TEST_IOTHUB_SDK_VERSION "1.9.1"
 
 static const char* const testUploadtrustedCertificates = "some certificates";
 static const char* const TEST_SAS_TOKEN = "test_sas_token";
diff --git a/iothub_client/tests/version_ut/version_ut.c b/iothub_client/tests/version_ut/version_ut.c
index 49dd946ae2..c0cca364de 100644
--- a/iothub_client/tests/version_ut/version_ut.c
+++ b/iothub_client/tests/version_ut/version_ut.c
@@ -8,7 +8,7 @@ BEGIN_TEST_SUITE(version_ut)
 
     TEST_FUNCTION(the_version_constant_has_the_expected_value)
     {
-        ASSERT_ARE_EQUAL(char_ptr, "1.9.0", IOTHUB_SDK_VERSION);
+        ASSERT_ARE_EQUAL(char_ptr, "1.9.1", IOTHUB_SDK_VERSION);
     }
 
     TEST_FUNCTION(IoTHubClient_GetVersionString_returns_the_version)
diff --git a/provisioning_client/inc/azure_prov_client/prov_client_const.h b/provisioning_client/inc/azure_prov_client/prov_client_const.h
index f4732b0370..12e9fb2498 100644
--- a/provisioning_client/inc/azure_prov_client/prov_client_const.h
+++ b/provisioning_client/inc/azure_prov_client/prov_client_const.h
@@ -4,7 +4,7 @@
 #ifndef PROV_CLIENT_CONST_H
 #define PROV_CLIENT_CONST_H
 
-#define PROV_DEVICE_CLIENT_VERSION "1.9.0"
+#define PROV_DEVICE_CLIENT_VERSION "1.9.1"
 #define PROV_GET_THROTTLE_TIME      1
 #define MAX_PROV_GET_THROTTLE_TIME  5*60
 
diff --git a/readme.md b/readme.md
index 205ec76ae8..2898148a54 100644
--- a/readme.md
+++ b/readme.md
@@ -270,9 +270,9 @@ Below is a table showing the mapping of the LTS branches to the packages release
 
   | Package | GitHub Branch | LTS Tag | LTS Start Date | Maintenance End Date |
   | :-----: | :-----------: | :-----: | :------------: | :------------------: |
+  | vcpkg: 2022-09-15 | lts_07_2022 | LTS_07_2022_Ref02 | 2022-09-15 | 2023-09-15 |
   | vcpkg: 2022-07-18 | lts_07_2022 | LTS_07_2022_Ref01 | 2022-07-18 | 2023-07-18 |
   | vcpkg: 2022-01-21 | lts_01_2022 | LTS_01_2022_Ref01 | 2022-01-21 | 2023-01-21 |
-  | vcpkg: 2021-09-09 | lts_07_2021 | LTS_07_2021_Ref01 | 2021-08-11 | 2022-08-11 |
 
 ## Release Example
 
diff --git a/version.txt b/version.txt
index f8e233b273..9ab8337f39 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.9.0
+1.9.1