diff --git a/.github/workflows/check-btcli-tests.yml b/.github/workflows/check-btcli-tests.yml
index f49102f..f8f2176 100644
--- a/.github/workflows/check-btcli-tests.yml
+++ b/.github/workflows/check-btcli-tests.yml
@@ -13,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - master
     types: [opened, synchronize, reopened, labeled, unlabeled]
 
 env:
diff --git a/.github/workflows/check-sdk-tests.yml b/.github/workflows/check-sdk-tests.yml
index cd1832d..cc8c839 100644
--- a/.github/workflows/check-sdk-tests.yml
+++ b/.github/workflows/check-sdk-tests.yml
@@ -13,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - master
     types: [opened, synchronize, reopened, labeled, unlabeled]
 
   workflow_dispatch:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57433b2..a157b62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 # Changelog
+
+## 1.5.14 /2025-12-04
+* Update: Adds support for custom extrinsic `DecryptionFailed` by @ibraheem-abe in https://github.com/opentensor/async-substrate-interface/pull/247
+
+**Full Changelog**: https://github.com/opentensor/async-substrate-interface/compare/v1.5.13...v1.5.14
+
 ## 1.5.13 /2025-12-01
 * Update `Checkout PR branch in async-substrate-interface` step by @basfroman in https://github.com/opentensor/async-substrate-interface/pull/240
 * No continual reconnection without cause by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/241
diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py
index a654c1b..dae91e5 100644
--- a/async_substrate_interface/async_substrate.py
+++ b/async_substrate_interface/async_substrate.py
@@ -297,7 +297,8 @@ async def process_events(self):
                     and event["event"]["event_id"] == "ExtrinsicFailed"
                 ) or (
                     event["event"]["module_id"] == "MevShield"
-                    and event["event"]["event_id"] == "DecryptedRejected"
+                    and event["event"]["event_id"]
+                    in ("DecryptedRejected", "DecryptionFailed")
                 ):
                     possible_success = False
                     self.__is_success = False
@@ -308,13 +309,23 @@ async def process_events(self):
                         self.__weight = dispatch_info["weight"]
                     else:
                         # MEV shield extrinsics
-                        dispatch_info = event["event"]["attributes"]["reason"][
-                            "post_info"
-                        ]
-                        dispatch_error = event["event"]["attributes"]["reason"]["error"]
-                        self.__weight = event["event"]["attributes"]["reason"][
-                            "post_info"
-                        ]["actual_weight"]
+                        if event["event"]["event_id"] == "DecryptedRejected":
+                            dispatch_info = event["event"]["attributes"]["reason"][
+                                "post_info"
+                            ]
+                            dispatch_error = event["event"]["attributes"]["reason"][
+                                "error"
+                            ]
+                            self.__weight = event["event"]["attributes"]["reason"][
+                                "post_info"
+                            ]["actual_weight"]
+                        else:
+                            self.__error_message = {
+                                "type": "MevShield",
+                                "name": "DecryptionFailed",
+                                "docs": event["event"]["attributes"]["reason"],
+                            }
+                            continue
 
                     if "Module" in dispatch_error:
                         if isinstance(dispatch_error["Module"], tuple):
diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py
index e6a2e3b..8ddd90b 100644
--- a/async_substrate_interface/sync_substrate.py
+++ b/async_substrate_interface/sync_substrate.py
@@ -258,7 +258,8 @@ def process_events(self):
                     and event["event"]["event_id"] == "ExtrinsicFailed"
                 ) or (
                     event["event"]["module_id"] == "MevShield"
-                    and event["event"]["event_id"] == "DecryptedRejected"
+                    and event["event"]["event_id"]
+                    in ("DecryptedRejected", "DecryptionFailed")
                 ):
                     possible_success = False
                     self.__is_success = False
@@ -269,13 +270,23 @@ def process_events(self):
                         self.__weight = dispatch_info["weight"]
                     else:
                         # MEV shield extrinsics
-                        dispatch_info = event["event"]["attributes"]["reason"][
-                            "post_info"
-                        ]
-                        dispatch_error = event["event"]["attributes"]["reason"]["error"]
-                        self.__weight = event["event"]["attributes"]["reason"][
-                            "post_info"
-                        ]["actual_weight"]
+                        if event["event"]["event_id"] == "DecryptedRejected":
+                            dispatch_info = event["event"]["attributes"]["reason"][
+                                "post_info"
+                            ]
+                            dispatch_error = event["event"]["attributes"]["reason"][
+                                "error"
+                            ]
+                            self.__weight = event["event"]["attributes"]["reason"][
+                                "post_info"
+                            ]["actual_weight"]
+                        else:
+                            self.__error_message = {
+                                "type": "MevShield",
+                                "name": "DecryptionFailed",
+                                "docs": event["event"]["attributes"]["reason"],
+                            }
+                            continue
 
                     if "Module" in dispatch_error:
                         if isinstance(dispatch_error["Module"], tuple):
diff --git a/async_substrate_interface/types.py b/async_substrate_interface/types.py
index a627132..b9fbfae 100644
--- a/async_substrate_interface/types.py
+++ b/async_substrate_interface/types.py
@@ -1127,7 +1127,7 @@ def _get_metadata_storage_functions(self, runtime: Runtime) -> list[dict[str, An
                         self.serialize_storage_item(
                             storage_item=storage,
                             module=module,
-                            spec_version_id=self.runtime.runtime_version,
+                            spec_version_id=runtime.runtime_version,
                             runtime=runtime,
                         )
                     )
diff --git a/pyproject.toml b/pyproject.toml
index a060d67..d260931 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "async-substrate-interface"
-version = "1.5.13"
+version = "1.5.14"
 description = "Asyncio library for interacting with substrate. Mostly API-compatible with py-substrate-interface"
 readme = "README.md"
 license = { file = "LICENSE" }