diff --git a/.github/workflows/matrix-and-codecov-on-merge-to-main.yml b/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
index 9a70e7d..7cb69d5 100644
--- a/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
+++ b/.github/workflows/matrix-and-codecov-on-merge-to-main.yml
@@ -1,9 +1,6 @@
 name: CI
 
 on:
-  push:
-    branches:
-      - main
   release:
     types:
       - prereleased
diff --git a/news/matrix-update.rst b/news/matrix-update.rst
new file mode 100644
index 0000000..e8febe8
--- /dev/null
+++ b/news/matrix-update.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* No news needed: update matrix testing in CI to run on dispatch and release.
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>