diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a7a821..9e66458 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
     branches: [main]
 
 jobs:
-  stack:
+  test:
     name: build / ${{ matrix.os }} / ghc ${{ matrix.ghc }}
     runs-on: ${{ matrix.os }}
     strategy:
@@ -41,7 +41,7 @@ jobs:
       name: Cache ~/dist-newstyle
       with:
         path: ~/dist-newstyle
-        key: ${{ matrix.os }}-${{ matrix.ghc }}-v3
+        key: ${{ matrix.os }}-${{ matrix.ghc }}-v4
 
     - name: Build Dependencies
       run: |
diff --git a/stack.yaml b/stack.yaml
deleted file mode 100644
index 68caf3c..0000000
--- a/stack.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-resolver: lts-21.7
-
-packages:
-- .
-
-# extra-deps: []
-
diff --git a/stack.yaml.lock b/stack.yaml.lock
deleted file mode 100644
index 0161ee7..0000000
--- a/stack.yaml.lock
+++ /dev/null
@@ -1,12 +0,0 @@
-# This file was autogenerated by Stack.
-# You should not edit this file by hand.
-# For more information, please see the documentation at:
-#   https://docs.haskellstack.org/en/stable/lock_files
-
-packages: []
-snapshots:
-- completed:
-    sha256: 23bb9bb355bfdb1635252e120a29b712f0d5e8a6c6a65c5ab5bd6692f46c438e
-    size: 640457
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/7.yaml
-  original: lts-21.7