diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3a13a98..c44c3eb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,18 +9,20 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-12
-            arch: x86_64
+          # - os: macos-12
+          #   arch: x86_64
+          #   xcode: 14.2
           - os: macos-13
             arch: x86_64
+            xcode: 15.2
     timeout-minutes: 5
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - run: git submodule update --init
-
-      # this build requires XCode >= 15.3 and hence will fail on CI until
-      # that requirement is met. For some reason, the KeyboardShortcuts
-      # package requires Package.resolved from that version of XCode, so our
-      # hands are tied
-      # - run: make build-${{ matrix.arch }}
+      - name: Select XCode version
+        run: |
+          sudo ls -1 /Applications | grep "Xcode"
+          XCODE='/Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer'
+          sudo xcode-select -s $XCODE
+      - run: make build-${{ matrix.arch }}
diff --git a/Helium.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/Helium.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d9810..0000000
--- a/Helium.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/Helium.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/Helium.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
deleted file mode 100644
index 0acc61a..0000000
--- a/Helium.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "originHash" : "69c39523ac0471922b625cc56b8722155cfd2afd660bdd4f5ff67335b5b87714",
-  "pins" : [
-    {
-      "identity" : "keyboardshortcuts",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/sindresorhus/KeyboardShortcuts",
-      "state" : {
-        "revision" : "2e5f15581fefb821d4b366e57d817be8bf12aa58",
-        "version" : "2.0.1"
-      }
-    }
-  ],
-  "version" : 3
-}