diff --git a/.github/workflows/flutter_build.yml b/.github/workflows/flutter_build.yml
index e5f0543..8def98b 100644
--- a/.github/workflows/flutter_build.yml
+++ b/.github/workflows/flutter_build.yml
@@ -73,7 +73,7 @@ jobs:
   BuildAndTestIos:
     name: Build ios prod
 
-    runs-on: macos-12
+    runs-on: macos-13
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/flutter_release_ios.yml b/.github/workflows/flutter_release_ios.yml
index 9b31da1..cee7ffb 100644
--- a/.github/workflows/flutter_release_ios.yml
+++ b/.github/workflows/flutter_release_ios.yml
@@ -9,7 +9,7 @@ jobs:
     if: ${{ !contains ( github.event.release.tag_name, '_' ) || endsWith( github.event.release.tag_name, '_ios' ) }}
     # NB: ${{ syntax }} is required despite GitHub docs to the contrary. Appears that ! operator can't be used otherwise.
 
-    runs-on: macos-12
+    runs-on: macos-13
 
     steps:
       - name: Checkout
@@ -69,7 +69,7 @@ jobs:
     name: Build and release prod testflight
     if: ${{ !contains ( github.event.release.tag_name, '_' ) || endsWith( github.event.release.tag_name, '_ios' ) }}
 
-    runs-on: macos-12
+    runs-on: macos-13
 
     steps:
       - name: Checkout
diff --git a/Gemfile.lock b/Gemfile.lock
index f3410dc..86c1286 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -212,6 +212,8 @@ PLATFORMS
   universal-darwin-21
   universal-darwin-22
   x86_64-darwin-19
+  x86_64-darwin-20
+  x86_64-darwin-21
   x86_64-linux
 
 DEPENDENCIES