diff --git a/.github/workflows/build_releases.yml b/.github/workflows/build_releases.yml
index a7d536a4..bc090a4c 100644
--- a/.github/workflows/build_releases.yml
+++ b/.github/workflows/build_releases.yml
@@ -6,7 +6,7 @@
 #   - FreeBSD (x86_64)
 #   - macOS (aarch64)
 
-name: "Build Releases"
+name: "build releases"
 
 on:
   workflow_dispatch:
diff --git a/.github/workflows/clear-pr-cache.yml b/.github/workflows/clear-pr-cache.yml
new file mode 100644
index 00000000..356884d4
--- /dev/null
+++ b/.github/workflows/clear-pr-cache.yml
@@ -0,0 +1,26 @@
+# Simple job to clear the cache used by a PR when it is closed/merged.
+
+name: "clear PR cache"
+
+on:
+  workflow_dispatch:
+    inputs:
+      id:
+        description: "Which id to clear:"
+        required: false
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  clear-cache:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - run: |
+          if [[ -z "${{ github.event.inputs.id }}" ]]; then
+            python ./scripts/clear_cache.py ${{ github.event.pull_request.number }}
+          else
+            python ./scripts/clear_cache.py ${{ github.event.inputs.id }}
+          fi
diff --git a/.github/workflows/test-docs.yml b/.github/workflows/test-docs.yml
index e46bd909..8364e493 100644
--- a/.github/workflows/test-docs.yml
+++ b/.github/workflows/test-docs.yml
@@ -1,6 +1,6 @@
 # Small CI workflow to test if mkdocs documentation can be successfully built.
 
-name: test-docs
+name: test docs
 on:
   workflow_dispatch:
   pull_request:
diff --git a/scripts/clear_cache.py b/scripts/clear_cache.py
new file mode 100644
index 00000000..167a12de
--- /dev/null
+++ b/scripts/clear_cache.py
@@ -0,0 +1,58 @@
+#!/bin/python3
+
+# A simple script to clean caches matching a PR ID.
+#
+# Expects a GitHub token in the environment variables as GITHUB_TOKEN.
+
+import os
+import json
+import sys
+from urllib.error import HTTPError, URLError
+
+from urllib.request import Request, urlopen
+
+URL = "https://api.github.com/repos/ClementTsang/bottom/actions/caches"
+
+
+def cache_list_request(key):
+    request = Request(URL, method="GET")
+    request.add_header("Accept", "application/vnd.github+json")
+    request.add_header("Authorization", "Bearer {}".format(key))
+    return request
+
+
+def delete_cache_request(key, id):
+    request = Request("{}/{}".format(URL, id), method="DELETE")
+    request.add_header("Accept", "application/vnd.github+json")
+    request.add_header("Authorization", "Bearer {}".format(key))
+    return request
+
+
+def main():
+
+    args = sys.argv
+    env = os.environ
+
+    key = env["GITHUB_TOKEN"]
+    pr_id = args[1]
+    ref = "refs/pull/{}/merge".format(pr_id)
+
+    with urlopen(cache_list_request(key)) as response:
+        response = json.load(response)
+        caches = response["actions_caches"]
+        for cache in caches:
+            if cache["ref"] == ref:
+                id = cache["id"]
+                try:
+                    print("Deleting ID {}...".format(id))
+                    urlopen(delete_cache_request(key, id))
+                except HTTPError as e:
+                    print("HTTPError with delete, error code {}.".format(e.code))
+                except URLError as _:
+                    print("URLError with delete.")
+                else:
+                    print("Successfully deleted cache ID {}!".format(id))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/src/lib.rs b/src/lib.rs
index 2ed7306c..34096843 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -347,7 +347,7 @@ pub fn update_data(app: &mut App) {
     {
         let data = &app.converted_data.cpu_data;
         for cpu in app.cpu_state.widget_states.values_mut() {
-            cpu.update_table(data)
+            cpu.update_table(data);
         }
     }
     {