diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
index bccd223..69cfc01 100644
--- a/.github/workflows/ios.yml
+++ b/.github/workflows/ios.yml
@@ -12,10 +12,10 @@ jobs:
     runs-on: macos-latest
 
     steps:
-      - name: Set up xcode 13.0
+      - name: Set up xcode 12.2
         uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: 13.0
+          xcode-version: 12.2
         id: xcode
 
       - name: Set up Go 1.x
diff --git a/.golangci.yml b/.golangci.yml
index 7395bb4..6f032cd 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -41,4 +41,6 @@ linters:
     - revive            # Force CamelCase instead of all caps
     - nilerr            # Force return err when not nil
     - wrapcheck         # Force wrapping of external error TODO: when the bug is fixed update the linter
-    - gomoddirectives   # Prohibits the use of replace statements
\ No newline at end of file
+    - gomoddirectives   # Prohibits the use of replace statements
+    - varnamelen        # Forbids short var names
+    - ireturn           # Prevents returning interfaces
\ No newline at end of file
diff --git a/crypto/message_test.go b/crypto/message_test.go
index 392e2c0..f40f6c8 100644
--- a/crypto/message_test.go
+++ b/crypto/message_test.go
@@ -214,7 +214,6 @@ func TestIssue11(t *testing.T) {
 	assert.Exactly(t, "message from sender", plainMessage.GetString())
 }
 
-
 func TestDummy(t *testing.T) {
 	pgp.latestServerTime = 1636644417
 	defer func() { pgp.latestServerTime = testTime }()