diff --git a/.github/workflows/build_pull_request.yml b/.github/workflows/build_pull_request.yml
index 7f37a3c20..20e6a1aa6 100644
--- a/.github/workflows/build_pull_request.yml
+++ b/.github/workflows/build_pull_request.yml
@@ -6,7 +6,7 @@ on:
       - '**.md'
 
 env:
-  CI_CHUNK_SIZE: 75
+  CI_CHUNK_SIZE: 65
 
 jobs:
   prepare:
diff --git a/.github/workflows/build_push.yml b/.github/workflows/build_push.yml
index 02965c628..c09acd4af 100644
--- a/.github/workflows/build_push.yml
+++ b/.github/workflows/build_push.yml
@@ -8,7 +8,7 @@ on:
       - '**.md'
 
 env:
-  CI_CHUNK_SIZE: 75
+  CI_CHUNK_SIZE: 65
 
 jobs:
   prepare: