diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index 8f2c231..8cc3a66 100644
--- a/.github/workflows/builds.yml
+++ b/.github/workflows/builds.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ macos-latest ]
-        swift: ["5.7", "5.8", "5.9", "5.10"]
+        swift: ["5.7", "5.8", "5.9"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index c2d9f01..108f9b4 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        swift: ["5.7", "5.8", "5.9", "5.10"]
+        swift: ["5.7", "5.8", "5.9"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e8d31b..9c1f155 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,5 @@
 
 - [SwiftLint](https://github.com/realm/SwiftLint) with a .swiftlint.yml file. lint checks are done on CI
 - `Sendable` conformance to `Version` to satisfy build warnings when complete concurrency checks are enabled
-- Swift `5.10` to CI matrices
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).