diff --git a/.github/workflows/cache_data.yaml b/.github/workflows/cache_data.yaml
index 239fb703bed..c2a3ef28abe 100644
--- a/.github/workflows/cache_data.yaml
+++ b/.github/workflows/cache_data.yaml
@@ -1,12 +1,16 @@
 # Cache GMT remote data files and upload as artifacts
 #
-# This workflow downloads data files needed by PyGMT tests/documentation from
-# the GMT data server and uploads as workflow artifacts which can be accessed
-# by other GitHub Actions workflows.
+# This workflow downloads data files needed by PyGMT tests/documentation from the GMT
+# data server and uploads them as workflow artifacts, which can then be accessed by other
+# GitHub Actions workflows.
 #
-# It is scheduled to run every Sunday at 12:00 (UTC). If new remote files are
-# needed urgently, maintainers can update the workflow file or the
-# 'pygmt/helpers/caching.py' file to refresh the cache.
+# It is scheduled to run every Sunday at 12:00 (UTC). If new remote files are needed
+# urgently, maintainers can refresh the cache by one of the following methods:
+#
+# 1. Update this workflow file
+# 2. Update the `pygmt/helpers/caching.py` file
+# 3. Go to https://github.com/GenericMappingTools/pygmt/actions/workflows/cache_data.yaml
+#    and click the "Run workflow" button
 #
 name: Cache data
 
@@ -16,6 +20,7 @@ on:
     paths:
       - 'pygmt/helpers/caching.py'
       - '.github/workflows/cache_data.yaml'
+  workflow_dispatch:
   # Schedule runs on 12 noon every Sunday
   schedule:
     - cron: '0 12 * * 0'
diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index d6bfc339d32..7afc0aac564 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -10,6 +10,7 @@ name: Check Links
 on:
   # Uncomment the 'pull_request' line below to trigger the workflow in PR
   # pull_request:
+  workflow_dispatch:
   # Schedule runs on 12 noon every Sunday
   schedule:
     - cron: '0 12 * * 0'
diff --git a/.github/workflows/ci_docs.yml b/.github/workflows/ci_docs.yml
index 40258c943f8..ac5f33d96d5 100644
--- a/.github/workflows/ci_docs.yml
+++ b/.github/workflows/ci_docs.yml
@@ -34,6 +34,7 @@ on:
       - 'examples/**'
       - 'README.md'
       - '.github/workflows/ci_docs.yml'
+  workflow_dispatch:
   release:
     types:
       - published
diff --git a/.github/workflows/ci_doctests.yaml b/.github/workflows/ci_doctests.yaml
index a53f7eb5c1d..9524a81f950 100644
--- a/.github/workflows/ci_doctests.yaml
+++ b/.github/workflows/ci_doctests.yaml
@@ -9,6 +9,7 @@ on:
   # push:
   #   branches: [ main ]
   # pull_request:
+  workflow_dispatch:
   # Schedule weekly tests on Sunday
   schedule:
     - cron: '0 0 * * 0'
diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 0690372aa69..8b9ec793063 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -33,6 +33,7 @@ on:
     paths:
       - 'pygmt/**'
       - '.github/workflows/ci_tests.yaml'
+  workflow_dispatch:
   release:
     types:
       - published
diff --git a/.github/workflows/ci_tests_dev.yaml b/.github/workflows/ci_tests_dev.yaml
index 644a149a2c2..18aa30f3c86 100644
--- a/.github/workflows/ci_tests_dev.yaml
+++ b/.github/workflows/ci_tests_dev.yaml
@@ -20,6 +20,7 @@ on:
     paths:
       - 'pygmt/**'
       - '.github/workflows/ci_tests_dev.yaml'
+  workflow_dispatch:
   # Schedule tests on Monday/Wednesday/Friday
   schedule:
     - cron: '0 0 * * 1,3,5'
diff --git a/.github/workflows/ci_tests_legacy.yaml b/.github/workflows/ci_tests_legacy.yaml
index d971923b8dd..fee0e29ec8b 100644
--- a/.github/workflows/ci_tests_legacy.yaml
+++ b/.github/workflows/ci_tests_legacy.yaml
@@ -17,6 +17,7 @@ on:
     # paths:
     #  - 'pygmt/**'
     #  - '.github/workflows/ci_tests_legacy.yaml'
+  workflow_dispatch:
   # Schedule tests on Tuesday
   schedule:
     - cron: '0 0 * * 2'