diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8783b72..e1af10b 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -2,7 +2,7 @@ name: Lint
 
 on:
   push:
-    branches: [master, develop]
+    branches: [main]
   pull_request:
 
 jobs:
diff --git a/.github/workflows/specs.yml b/.github/workflows/specs.yml
index 3289034..177cbba 100644
--- a/.github/workflows/specs.yml
+++ b/.github/workflows/specs.yml
@@ -2,7 +2,7 @@ name: Specs
 
 on:
   push:
-    branches: [master, develop]
+    branches: [main]
   pull_request:
 
 jobs:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4252824..1fbcc88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,7 +29,7 @@
 - Bump Bundler 2.6.9 → 2.7.2
 - Bump json 2.19.5 → 2.19.7
 
-## master
+## Unreleased
 
 - Bump dependencies (rack 3.1.19 → 3.2.6, rake, rspec-\*, timecop, simplecov-html, diff-lcs)
 - Bump Ruby to 3.4.9 (zlib CVE-2026-27820)
diff --git a/RELEASING.md b/RELEASING.md
index 105b9e0..558e798 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -1,13 +1,12 @@
 # Releasing
 
-1. Create branch `X.Y.Z` from develop.
+1. Create branch `X.Y.Z` from `main`.
 2. Update `VERSION` in `lib/castle/version.rb` to the new version
 3. Run `bundle`
 4. Update the `CHANGELOG.md` for the impending release
 5. `git commit -am "release X.Y.Z."` (where X.Y.Z is the new version)
-6. Push to Github, make PR to the develop branch, and when approved, merge.
-7. Pull latest `develop`, merge it to `master`, and push it.
-8. Make a release on Github from the `master` branch, specify tag as `vX.Y.Z` to create a tag.
-9. `git checkout master && git pull`
-10. `gem build castle-rb.gemspec`
-11. `gem push castle-rb-X.Y.Z.gem`
+6. Push to Github, make PR to the `main` branch, and when approved, merge.
+7. Make a release on Github from the `main` branch, specify tag as `vX.Y.Z` to create a tag.
+8. `git checkout main && git pull`
+9. `gem build castle-rb.gemspec`
+10. `gem push castle-rb-X.Y.Z.gem`