diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4356ff..f2b8464 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,15 +13,15 @@ jobs:
       fail-fast: false
       matrix:
         rebar3:
-          - '3.20.0'
+          - '3.24.0'
         otp:
+          - '27'
           - '26'
-          - '25'
         kafka:
           - '2.4'
           - '1.1'
           - '0.11'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
 
     # Setup
diff --git a/changelog.md b/changelog.md
index 4adb414..6f6d363 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+* 4.1.9
+  - Upgrade crc32cer to 0.1.11 for build issue fix on OTP 27.
+
 * 4.1.8
   - Avoid generating crash-report when failed to write socket [PR#124](https://github.com/kafka4beam/kafka_protocol/pull/124)
 
diff --git a/rebar.config b/rebar.config
index 994bb84..8e3bc05 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,4 +1,4 @@
-{deps, [{crc32cer, "0.1.8"}]}.
+{deps, [{crc32cer, "0.1.11"}]}.
 
 {profiles,
   [ { test,
diff --git a/src/kpro_sent_reqs.erl b/src/kpro_sent_reqs.erl
index 8dc8161..531a4c4 100644
--- a/src/kpro_sent_reqs.erl
+++ b/src/kpro_sent_reqs.erl
@@ -20,7 +20,6 @@
 %%% @end
 %%% ============================================================================
 
-%% @private
 -module(kpro_sent_reqs).
 
 %%%_* Exports ==================================================================