diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 477e178..7b5faf0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,6 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         emacs-version:
-          - 27.2
           - 28.2
           - 29.4
           - 30.1
@@ -25,9 +24,6 @@ jobs:
           - os: windows-latest
             emacs-version: snapshot
             experimental: true
-        exclude:
-          - os: macos-latest
-            emacs-version: 27.2
 
     steps:
       - uses: actions/checkout@v3
diff --git a/Eask b/Eask
index 7da7760..b7d919d 100644
--- a/Eask
+++ b/Eask
@@ -11,10 +11,10 @@
 
 (script "test" "echo \"Error: no test specified\" && exit 1")
 
-(source "gnu")
-(source "melpa")
+(source 'gnu)
+(source 'melpa)
 
-(depends-on "emacs" "27.1")
+(depends-on "emacs" "28.1")
 (depends-on "lsp-mode")
 
 (setq network-security-level 'low)  ; see https://github.com/jcs090218/setup-emacs-windows/issues/156#issuecomment-932956432
diff --git a/lsp-sourcekit.el b/lsp-sourcekit.el
index 6edc87b..1e98296 100644
--- a/lsp-sourcekit.el
+++ b/lsp-sourcekit.el
@@ -5,7 +5,7 @@
 ;; Author: Daniel Martín
 ;; Version: 0.1
 ;; Homepage: https://github.com/emacs-lsp/lsp-sourcekit
-;; Package-Requires: ((emacs "27.1") (lsp-mode "5"))
+;; Package-Requires: ((emacs "28.1") (lsp-mode "5"))
 ;; Keywords: languages, lsp, swift, objective-c, c++
 
 ;; Permission is hereby granted, free of charge, to any person obtaining a copy