diff --git a/.github/workflows/array-api.yml b/.github/workflows/array-api.yml
index 8354195..0ea8b76 100644
--- a/.github/workflows/array-api.yml
+++ b/.github/workflows/array-api.yml
@@ -1,7 +1,16 @@
 name: Array API coverage tests
 
 on:
-  push: # Run on all branches
+  # We would like to trigger for CI for any pull request action -
+  # both from QuantCo's branches as well as forks.
+  pull_request:
+  # In addition to pull requests, we want to run CI for pushes
+  # to the main branch and tags.
+  push:
+    branches:
+      - "main"
+    tags:
+      - "*"
   schedule:
     - cron: "0 8 * * 0" # Runs weekly at 08:00 UTC on Sunday
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 883b492..0af01d6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,15 @@
 name: CI
-on: [push]
+on:
+  # We would like to trigger for CI for any pull request action -
+  # both from QuantCo's branches as well as forks.
+  pull_request:
+  # In addition to pull requests, we want to run CI for pushes
+  # to the main branch and tags.
+  push:
+    branches:
+      - "main"
+    tags:
+      - "*"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}