diff --git a/.github/workflows/docc.yml b/.github/workflows/docc.yml
index 483b835f..ada030ae 100644
--- a/.github/workflows/docc.yml
+++ b/.github/workflows/docc.yml
@@ -5,7 +5,7 @@ on:
     branches:
       - main
 env: 
-  DEVELOPER_DIR: "/Applications/Xcode_15.4.app/Contents/Developer"
+  DEVELOPER_DIR: "/Applications/Xcode_16.0.app/Contents/Developer"
 jobs:
   DocC:
     runs-on: macos-14
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index af4eb907..fb10205f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,7 +11,7 @@ jobs:
   SwiftLint:
     strategy:
       matrix:
-        xcode_version: ["15.4"]
+        xcode_version: ["16.0"]
     env: 
       DEVELOPER_DIR: "/Applications/Xcode_${{ matrix.xcode_version }}.app/Contents/Developer"
     runs-on: macos-14
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 18483757..3b49b94b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,7 +4,7 @@ on:
 
 name: Upload Artifact Bundle to Release
 env: 
-  DEVELOPER_DIR: "/Applications/Xcode_15.4.app/Contents/Developer"
+  DEVELOPER_DIR: "/Applications/Xcode_16.0.app/Contents/Developer"
   SCIPIO_DEVELOPMENT: 1
 
 jobs:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 77518a4f..36202247 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,8 +12,6 @@ jobs:
     strategy:
       matrix:
         xcode_version:
-          - "15.2" # 5.9
-          - "15.4" # 5.10
           - "16.0" # 6.0
     env: 
       DEVELOPER_DIR: "/Applications/Xcode_${{ matrix.xcode_version }}.app/Contents/Developer"