diff --git a/device/iothub_client_python/src/iothub_client_python.cpp b/device/iothub_client_python/src/iothub_client_python.cpp
index 52cefa374..3dcf37822 100644
--- a/device/iothub_client_python/src/iothub_client_python.cpp
+++ b/device/iothub_client_python/src/iothub_client_python.cpp
@@ -44,7 +44,7 @@
 #define IMPORT_NAME iothub_client
 #endif
 
-#define VERSION_STRING "1.2.1"
+#define VERSION_STRING "1.2.2"
 
 #if PY_MAJOR_VERSION >= 3
 #define IS_PY3
diff --git a/provisioning_device_client/src/provisioning_device_client_python.cpp b/provisioning_device_client/src/provisioning_device_client_python.cpp
index 11d4c1704..fca8d0d4e 100644
--- a/provisioning_device_client/src/provisioning_device_client_python.cpp
+++ b/provisioning_device_client/src/provisioning_device_client_python.cpp
@@ -41,7 +41,7 @@
 #define IMPORT_NAME provisioning_device_client
 #endif
 
-#define VERSION_STRING "1.2.1"
+#define VERSION_STRING "1.2.2"
 
 #if PY_MAJOR_VERSION >= 3
 #define IS_PY3
diff --git a/service/src/iothub_service_client_python.cpp b/service/src/iothub_service_client_python.cpp
index ed5035673..7d3c56e55 100644
--- a/service/src/iothub_service_client_python.cpp
+++ b/service/src/iothub_service_client_python.cpp
@@ -33,7 +33,7 @@
 #define IMPORT_NAME iothub_service_client
 #endif
 
-#define VERSION_STRING "1.2.1"
+#define VERSION_STRING "1.2.2"
 
 #if PY_MAJOR_VERSION >= 3
 #define IS_PY3