diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 342cb78..824e5d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,11 +17,11 @@ jobs:
               elixir: "1.15"
               otp: "24"
           - pair:
-              elixir: "1.18"
-              otp: "27"
+              elixir: "1.19"
+              otp: "28"
             lint: lint
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: erlef/setup-beam@v1
         with:
diff --git a/.tool-versions b/.tool-versions
index e178b38..b8a58d5 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.15 1.18
-erlang 24 27
+elixir 1.15 1.19
+erlang 24 28