diff --git a/.github/workflows/nightly-merge.yml b/.github/workflows/nightly-merge.yml
index bf0a6e4aa2..7251e50985 100644
--- a/.github/workflows/nightly-merge.yml
+++ b/.github/workflows/nightly-merge.yml
@@ -15,7 +15,7 @@ jobs:
       uses: actions/checkout@v2
 
     - name: Nightly Merge
-      uses: robotology/gh-action-nightly-merge@v1.3.3
+      uses: robotology/gh-action-nightly-merge@v1.4.0
       with:
         stable_branch: 'RELEASE_next_patch'
         development_branch: 'RELEASE_next_minor'
diff --git a/.github/workflows/nightly-merge_non_uniform.yml b/.github/workflows/nightly-merge_non_uniform.yml
index e074169a30..4ffe56910f 100644
--- a/.github/workflows/nightly-merge_non_uniform.yml
+++ b/.github/workflows/nightly-merge_non_uniform.yml
@@ -15,7 +15,7 @@ jobs:
       uses: actions/checkout@v2
 
     - name: Nightly Merge
-      uses: robotology/gh-action-nightly-merge@v1.3.3
+      uses: robotology/gh-action-nightly-merge@v1.4.0
       with:
         stable_branch: 'RELEASE_next_minor'
         development_branch: 'non_uniform_axes'