diff --git a/.github/workflows/check-sdk-tests.yml b/.github/workflows/check-sdk-tests.yml
index cd1832d..6422ce7 100644
--- a/.github/workflows/check-sdk-tests.yml
+++ b/.github/workflows/check-sdk-tests.yml
@@ -269,7 +269,7 @@ jobs:
 
       - name: Install Bittensor SDK dependencies
         working-directory: ${{ github.workspace }}/bittensor
-        run: uv pip install --system '.[dev]'
+        run: uv pip install --system '.[dev]' torch
 
       - name: Clone async-substrate-interface repo
         run: git clone https://github.com/opentensor/async-substrate-interface.git
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a157b62..3f90063 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.5.15 /2025-12-22
+* Modifies the CachedFetcher to not keep pending exceptions by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/253
+
+**Full Changelog**: https://github.com/opentensor/async-substrate-interface/compare/v1.5.14...v1.5.15
+
 ## 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
 
diff --git a/async_substrate_interface/utils/cache.py b/async_substrate_interface/utils/cache.py
index 5cf1fe4..d8b494a 100644
--- a/async_substrate_interface/utils/cache.py
+++ b/async_substrate_interface/utils/cache.py
@@ -321,7 +321,8 @@ async def __call__(self, *args: Any, **kwargs: Any) -> Any:
             future.set_result(result)
             return result
         except Exception as e:
-            future.set_exception(e)
+            self._inflight.pop(key, None)
+            future.cancel()
             raise
         finally:
             self._inflight.pop(key, None)
diff --git a/pyproject.toml b/pyproject.toml
index d260931..7eb8606 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "async-substrate-interface"
-version = "1.5.14"
+version = "1.5.15"
 description = "Asyncio library for interacting with substrate. Mostly API-compatible with py-substrate-interface"
 readme = "README.md"
 license = { file = "LICENSE" }