diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2fd27ed..41b4366 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,12 +23,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        otp: [27.2]
-        alpine: [3.21.0]
+        otp: [27.3.3]
+        alpine: [3.21.3]
         latest: [false]
         include:
-          - otp: 27.2
-            alpine: 3.21.0
+          - otp: 27.3.3
+            alpine: 3.21.3
             latest: true
     steps:
     - name: Checkout
diff --git a/VERSION b/VERSION
index 8a31ff1..d78e8e3 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-erlang 27.2
-alpine 3.21.0
+erlang 27.3.3
+alpine 3.21.3