diff --git a/README.md b/README.md
index 5a227b3..4d0fb81 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ jobs:
         ref: ${{ github.head_ref }}
 
     - name: Prettify code
-      uses: creyD/prettier_action@v3.3
+      uses: creyD/prettier_action@v4.0
       with:
         # This part is also where you can pass other options, for example:
         prettier_options: --write **/*.{js,md}
@@ -83,7 +83,7 @@ jobs:
         fetch-depth: 0
 
     - name: Prettify code
-      uses: creyD/prettier_action@v3.3
+      uses: creyD/prettier_action@v4.0
       with:
         # This part is also where you can pass other options, for example:
         prettier_options: --write **/*.{js,md}
@@ -112,7 +112,7 @@ jobs:
         persist-credentials: false
 
     - name: Prettify code
-      uses: creyD/prettier_action@v3.3
+      uses: creyD/prettier_action@v4.0
       with:
         prettier_options: --write **/*.{js,md}
         only_changed: True
@@ -142,7 +142,7 @@ jobs:
         persist-credentials: false
 
     - name: Prettify code
-      uses: creyD/prettier_action@v3.3
+      uses: creyD/prettier_action@v4.0
       with:
         dry: True
         github_token: ${{ secrets.PERSONAL_GITHUB_TOKEN }}