diff --git a/docker-compose/examples/grafana/common-settings.yml b/docker-compose/examples/grafana/common-settings.yaml
similarity index 100%
rename from docker-compose/examples/grafana/common-settings.yml
rename to docker-compose/examples/grafana/common-settings.yaml
diff --git a/docker-compose/examples/grafana/compose.yaml b/docker-compose/examples/grafana/compose.yaml
index 3bb4569..8471357 100644
--- a/docker-compose/examples/grafana/compose.yaml
+++ b/docker-compose/examples/grafana/compose.yaml
@@ -15,7 +15,7 @@ services:
                 soft: ${ULIMIT_NPROC-65535}
                 hard: ${ULIMIT_NPROC-65535}
         extends:
-            file: common-settings.yml
+            file: common-settings.yaml
             service: common-settings
         ports:
             # - "8080:80"
@@ -47,7 +47,7 @@ services:
                 soft: ${ULIMIT_NPROC-65535}
                 hard: ${ULIMIT_NPROC-65535}
         extends:
-            file: common-settings.yml
+            file: common-settings.yaml
             service: common-settings
         ports:
             # - "8080:80"
diff --git a/docker-compose/examples/hashicorpvault/common-settings.yml b/docker-compose/examples/hashicorpvault/common-settings.yaml
similarity index 100%
rename from docker-compose/examples/hashicorpvault/common-settings.yml
rename to docker-compose/examples/hashicorpvault/common-settings.yaml
diff --git a/docker-compose/examples/hashicorpvault/compose.yaml b/docker-compose/examples/hashicorpvault/compose.yaml
index 5314a01..87e1163 100644
--- a/docker-compose/examples/hashicorpvault/compose.yaml
+++ b/docker-compose/examples/hashicorpvault/compose.yaml
@@ -11,7 +11,7 @@ services:
                 soft: ${ULIMIT_NPROC-65535}
                 hard: ${ULIMIT_NPROC-65535}
         extends:
-            file: common-settings.yml
+            file: common-settings.yaml
             service: common-settings
         ports:
             # - "8080:80"
diff --git a/docker-compose/{{ cookiecutter.__project_slug }}/common-settings.yml b/docker-compose/{{ cookiecutter.__project_slug }}/common-settings.yaml
similarity index 100%
rename from docker-compose/{{ cookiecutter.__project_slug }}/common-settings.yml
rename to docker-compose/{{ cookiecutter.__project_slug }}/common-settings.yaml
diff --git a/docker-compose/{{ cookiecutter.__project_slug }}/compose.yaml b/docker-compose/{{ cookiecutter.__project_slug }}/compose.yaml
index 62df158..3541e66 100644
--- a/docker-compose/{{ cookiecutter.__project_slug }}/compose.yaml	
+++ b/docker-compose/{{ cookiecutter.__project_slug }}/compose.yaml	
@@ -36,7 +36,7 @@ services:
                 soft: ${ULIMIT_NPROC-65535}
                 hard: ${ULIMIT_NPROC-65535}
         extends:
-            file: common-settings.yml
+            file: common-settings.yaml
             service: common-settings
         ports:
             # - "8080:80"
@@ -63,7 +63,7 @@ services:
                 soft: ${ULIMIT_NPROC-65535}
                 hard: ${ULIMIT_NPROC-65535}
         extends:
-            file: common-settings.yml
+            file: common-settings.yaml
             service: common-settings
         ports:
             # - "8080:80"