diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 3da66f4..bf809b3 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: purcell/setup-emacs@master
         with:
-          version: 27.1
+          version: 28.1
 
       - uses: conao3/setup-cask@master
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9d6423c..0f5dc51 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,6 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         emacs-version:
-          - 27.2
           - 28.2
           - 29.4
           - 30.1
@@ -32,9 +31,6 @@ 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 5067f7b..5525d51 100644
--- a/Eask
+++ b/Eask
@@ -13,10 +13,10 @@
 
 (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")
 (depends-on "markdown-mode")
 (depends-on "dash")
diff --git a/lsp-java.el b/lsp-java.el
index f8c89bd..8fac955 100644
--- a/lsp-java.el
+++ b/lsp-java.el
@@ -2,7 +2,7 @@
 
 ;; Version: 3.0
 
-;; Package-Requires: ((emacs "27.1") (lsp-mode "6.0") (markdown-mode "2.3") (dash "2.18.0") (f "0.20.0") (ht "2.0") (request "0.3.0") (treemacs "2.5") (dap-mode "0.5"))
+;; Package-Requires: ((emacs "28.1") (lsp-mode "6.0") (markdown-mode "2.3") (dash "2.18.0") (f "0.20.0") (ht "2.0") (request "0.3.0") (treemacs "2.5") (dap-mode "0.5"))
 ;; Keywords: languague, tools
 ;; URL: https://github.com/emacs-lsp/lsp-java