diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22379d3..fe46bb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 1.4.1 /2025-07-09
+* Missed passing runtime in encoding by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/149
+
+
+**Full Changelog**: https://github.com/opentensor/async-substrate-interface/compare/v1.4.0...v1.4.1
+
 ## 1.4.0 /2025-07-07
 * Removes unused imports by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/139
 * Improve CachedFetcher by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/140
diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py
index fb86216..7b0072f 100644
--- a/async_substrate_interface/async_substrate.py
+++ b/async_substrate_interface/async_substrate.py
@@ -2944,7 +2944,7 @@ async def _do_runtime_call_old(
                 param_type_string = f"{param['type']}"
                 if isinstance(params, list):
                     param_data += await self.encode_scale(
-                        param_type_string, params[idx]
+                        param_type_string, params[idx], runtime=runtime
                     )
                 else:
                     if param["name"] not in params:
@@ -2953,7 +2953,7 @@ async def _do_runtime_call_old(
                         )
 
                     param_data += await self.encode_scale(
-                        param_type_string, params[param["name"]]
+                        param_type_string, params[param["name"]], runtime=runtime
                     )
 
         # RPC request
@@ -3038,13 +3038,15 @@ async def runtime_call(
         for idx, param in enumerate(runtime_call_def["inputs"]):
             param_type_string = f"scale_info::{param['ty']}"
             if isinstance(params, list):
-                param_data += await self.encode_scale(param_type_string, params[idx])
+                param_data += await self.encode_scale(
+                    param_type_string, params[idx], runtime=runtime
+                )
             else:
                 if param["name"] not in params:
                     raise ValueError(f"Runtime Call param '{param['name']}' is missing")
 
                 param_data += await self.encode_scale(
-                    param_type_string, params[param["name"]]
+                    param_type_string, params[param["name"]], runtime=runtime
                 )
 
         # RPC request
diff --git a/pyproject.toml b/pyproject.toml
index 80f78b1..86e446f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "async-substrate-interface"
-version = "1.4.0"
+version = "1.4.1"
 description = "Asyncio library for interacting with substrate. Mostly API-compatible with py-substrate-interface"
 readme = "README.md"
 license = { file = "LICENSE" }