diff --git a/src/main/resources/api/openapi-ai.yaml b/src/main/resources/api/openapi-ai.yaml
index f6cbea204d..1cadbe01e6 100644
--- a/src/main/resources/api/openapi-ai.yaml
+++ b/src/main/resources/api/openapi-ai.yaml
@@ -1,7 +1,7 @@
 openapi: "3.0.2"
 
 info:
-  version: "5.0.21"
+  version: "5.0.22"
   title: Ergo Node API
   description: Specification of Ergo Node API for ChatGPT plugin.
     The following endpoints supported 
diff --git a/src/main/resources/api/openapi.yaml b/src/main/resources/api/openapi.yaml
index a49f06f81c..d77c0d0f5f 100644
--- a/src/main/resources/api/openapi.yaml
+++ b/src/main/resources/api/openapi.yaml
@@ -1,7 +1,7 @@
 openapi: "3.0.2"
 
 info:
-  version: "5.0.21"
+  version: "5.0.22"
   title: Ergo Node API
   description: API docs for Ergo Node. Models are shared between all Ergo products
   contact:
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index 7d30c0ea97..37c2406a53 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -436,7 +436,7 @@ scorex {
     nodeName = "ergo-node"
 
     # Network protocol version to be sent in handshakes
-    appVersion = 5.0.21
+    appVersion = 5.0.22
 
     # Network agent name. May contain information about client code
     # stack, starting from core code-base up to the end graphical interface.
diff --git a/src/main/resources/mainnet.conf b/src/main/resources/mainnet.conf
index 594044789e..dfc6850e84 100644
--- a/src/main/resources/mainnet.conf
+++ b/src/main/resources/mainnet.conf
@@ -70,8 +70,8 @@ ergo {
     #
     # To validate all the scripts for all the blocks, set checkpoint = null.
     checkpoint = {
-      height = 1020454
-      blockId = "7829c6513c5b319b86e87253ed29d51fed61597c65e32f5197434461ccc4c905"
+      height = 1231454
+      blockId = "ca5aa96a2d560f49cd5652eae4b9e16bbf410ee32365313dc16544ee5fda1e6d"
     }
 
     # List with hex-encoded identifiers of transactions banned from getting into memory pool