diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 7f214877..861d3cba 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -7,6 +7,7 @@ on:
     branches:
       - "main"
   pull_request:
+  pull_request_target:
 
 permissions:
   contents: read
@@ -25,7 +26,11 @@ jobs:
           fetch-depth: 0 # since we need to diff against origin/main.
 
       # https://github.com/marketplace/actions/check-signed-commits-in-pr
+      # runs on pull_request_target and pull_request events, but
+      # pull_request_target is preferred because of the ability to
+      # leave comments on external PRs created from forks.
       - name: Check that commits are signed
+        if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target'
         uses: 1Password/check-signed-commits-action@v1
 
       - name: Set up Python 3.9
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fe68864..1179b52f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+
+
+## [1.6.0] - 2024-01-03
+
 ### Fixed
 
 - Fix an error in `Node.list_networks()` (Issue