diff --git a/.github/workflows/keep_alive.yaml b/.github/workflows/keep_alive.yaml
index 5fd249b..55d1a61 100644
--- a/.github/workflows/keep_alive.yaml
+++ b/.github/workflows/keep_alive.yaml
@@ -8,6 +8,6 @@ jobs:
     name: Cronjob based github action
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # commits to the repo if the last commit was 50 days ago to keep the repo alive.
       - uses: gautamkrishnar/keepalive-workflow@v1
diff --git a/.github/workflows/refresh_course_plans.yml b/.github/workflows/refresh_course_plans.yml
index c929fd3..6e75f67 100644
--- a/.github/workflows/refresh_course_plans.yml
+++ b/.github/workflows/refresh_course_plans.yml
@@ -14,11 +14,11 @@ jobs:
     steps:
       # Clones the repo
       - name: Checkout Repo Content
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Clones the data repo
       - name: Clone Data Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: itu-helper/data
           token: ${{ secrets.API_TOKEN_GITHUB }}
diff --git a/.github/workflows/refresh_courses.yml b/.github/workflows/refresh_courses.yml
index a3535f7..84a75bc 100644
--- a/.github/workflows/refresh_courses.yml
+++ b/.github/workflows/refresh_courses.yml
@@ -14,11 +14,11 @@ jobs:
     steps:
       # Clones the repo
       - name: Checkout Repo Content
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Clones the data repo
       - name: Clone Data Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: itu-helper/data
           token: ${{ secrets.API_TOKEN_GITHUB }}
diff --git a/.github/workflows/refresh_lessons.yml b/.github/workflows/refresh_lessons.yml
index 05f30b5..c381a79 100644
--- a/.github/workflows/refresh_lessons.yml
+++ b/.github/workflows/refresh_lessons.yml
@@ -2,23 +2,24 @@ name: Refresh Lessons
 
 on:
   schedule:
-    # At every 15th minute from 4 through 59 past every hour from 2 through 23.
-    - cron: "4/15 2/1 * * *"
+    # At every 5th minute from 4 through 59 past every hour from 2 through 23.
+    - cron: "4/5 2/1 * * *"
 
   workflow_dispatch:
 
 jobs:
   refresh_lessons:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
 
     steps:
       # Clones the repo
       - name: Checkout Repo Content
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Clones the data repo
       - name: Clone Data Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: itu-helper/data
           token: ${{ secrets.API_TOKEN_GITHUB }}
diff --git a/.github/workflows/refresh_misc.yml b/.github/workflows/refresh_misc.yml
index 55ee0fb..899b1c1 100644
--- a/.github/workflows/refresh_misc.yml
+++ b/.github/workflows/refresh_misc.yml
@@ -14,11 +14,11 @@ jobs:
     steps:
       # Clones the repo
       - name: Checkout Repo Content
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Clones the data repo
       - name: Clone Data Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: itu-helper/data
           token: ${{ secrets.API_TOKEN_GITHUB }}
diff --git a/README.md b/README.md
index dd19347..7d75a64 100644
--- a/README.md
+++ b/README.md
@@ -38,12 +38,12 @@ _Github Actions_ kullanarak **Veri Yenileme Aralıkları** kısmında belirtilen
 
 ## **Veri Yenileme Aralıkları**
 
-- **(00:04 - 02:49) 15dk da bir**: _Lesson_'lar güncellenir.
+- **(00:04 - 02:49) 5 dk'de bir**: _Lesson_'lar güncellenir.
 - **(02:55)**: Bina ve program kodları güncellenir.
 - **(03:00)**:
   - **Pazartesileri**: _Course_'lar güncellenir.
   - **Salıları**: Ders Planları güncellenir.
-- **(05:04 - 23:49) 15dk da bir**: _Lesson_'lar güncellenir.
+- **(05:04 - 23:49) 5 dk'de bir**: _Lesson_'lar güncellenir.
 
 > [!NOTE]
 > _Lesson_'ların daha sık güncellenmesinin nedeni kontenjan verilerinin güncel tutulmasının gerekmesidir. _Course_'ların ve Ders Planlarının güncellendiği sırada _Lesson_'ların güncellenememsi _Github Actions_'da kullandığımız _Git Auto Commit_'in repo'da değişiklik olması durumda commit atamamasındandır.