diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aae1ccd5..541d9319 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,6 +11,13 @@ on:
     branches: [main]
   release:
     types: [published]
+  workflow_dispatch:
+    inputs:
+      task:
+        type: choice
+        options: [tests, release]
+        default: tests
+        description: Only run tests or release a new version of pymatgen to PyPI after tests pass.
 
 jobs:
   tests:
@@ -48,7 +55,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     needs: tests
-    if: github.event_name == 'release' && needs.tests.result == 'success'
+    if: github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.task == 'release')
     permissions:
       # For PyPI trusted publishing
       id-token: write