diff --git a/src/server/datahub/generated-mutation.ts b/src/server/datahub/generated-mutation.ts
index 2f5e04aba..1ac5720b6 100644
--- a/src/server/datahub/generated-mutation.ts
+++ b/src/server/datahub/generated-mutation.ts
@@ -34,6 +34,7 @@ export type CreatePostOffChainInput = {
   callData?: InputMaybe<SocialCallDataInput>
   content?: InputMaybe<Scalars['String']['input']>
   dataType: SocialEventDataType
+  protVersion?: InputMaybe<Scalars['String']['input']>
   providerAddr: Scalars['String']['input']
   sig: Scalars['String']['input']
 }
diff --git a/src/services/subsocial/datahub/posts/mutation.ts b/src/services/subsocial/datahub/posts/mutation.ts
index 67b27625a..f1a05a4c1 100644
--- a/src/services/subsocial/datahub/posts/mutation.ts
+++ b/src/services/subsocial/datahub/posts/mutation.ts
@@ -7,6 +7,7 @@ import {
   socialCallName,
   SocialEventDataApiInput,
   SocialEventDataType,
+  socialEventProtVersion,
   SynthCreatePostTxFailedCallParsedArgs,
   SynthCreatePostTxRetryCallParsedArgs,
   SynthUpdatePostTxFailedCallParsedArgs,
@@ -51,7 +52,9 @@ async function createPostData({
     ipfsSrc: cid,
   }
 
+  // TODO: refactor input to reduce duplication with other inputs
   const input: SocialEventDataApiInput = {
+    protVersion: socialEventProtVersion['0.1'],
     dataType: SocialEventDataType.optimistic,
     callData: {
       name: socialCallName.create_post,
@@ -91,6 +94,7 @@ async function updatePostData({
   }
 
   const input: SocialEventDataApiInput = {
+    protVersion: socialEventProtVersion['0.1'],
     dataType: SocialEventDataType.optimistic,
     callData: {
       name: socialCallName.update_post,
@@ -150,6 +154,7 @@ async function notifyCreatePostFailedOrRetryStatus({
   }
 
   const input: SocialEventDataApiInput = {
+    protVersion: socialEventProtVersion['0.1'],
     dataType: SocialEventDataType.offChain,
     callData: {
       name: event.name,
@@ -213,6 +218,7 @@ async function notifyUpdatePostFailedOrRetryStatus({
   }
 
   const input: SocialEventDataApiInput = {
+    protVersion: socialEventProtVersion['0.1'],
     dataType: SocialEventDataType.offChain,
     callData: {
       name: event.name,
diff --git a/yarn.lock b/yarn.lock
index 15dc5f42b..fac58946e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6582,7 +6582,7 @@
 
 "@subsocial/data-hub-sdk@dappforce/subsocial-data-hub-sdk#staging":
   version "0.0.2"
-  resolved "https://codeload.github.com/dappforce/subsocial-data-hub-sdk/tar.gz/ea6cb03324f874d48db89158c5029dd37a7ff7e4"
+  resolved "https://codeload.github.com/dappforce/subsocial-data-hub-sdk/tar.gz/9c7856aa4a457428ddf4c810b18551d1799384c1"
   dependencies:
     "@subsocial/api" "^0.8.13"
     "@swc/core" "^1.3.55"