diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 433fc8dd..680f7d75 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,7 +76,7 @@ jobs:
 
       - name: Start Mercure
         working-directory: caddy/mercure/
-        run: sudo MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' go run main.go start --config ../../Caddyfile.dev
+        run: sudo MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' go run main.go start --config ../../dev.Caddyfile
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.goreleaser.yml b/.goreleaser.yml
index a12074cf..ffbf6587 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -70,7 +70,7 @@ archives:
       - LICENSE
       - README.md
       - Caddyfile
-      - Caddyfile.dev
+      - dev.Caddyfile
     format_overrides:
       - goos: windows
         format: zip
@@ -106,7 +106,7 @@ dockers:
       - "--platform=linux/amd64"
     extra_files:
       - Caddyfile
-      - Caddyfile.dev
+      - dev.Caddyfile
   - ids:
       - caddy
     goos: linux
@@ -121,7 +121,7 @@ dockers:
       - "--platform=linux/arm64/v8"
     extra_files:
       - Caddyfile
-      - Caddyfile.dev
+      - dev.Caddyfile
   - ids:
       - legacy
     dockerfile: Dockerfile.legacy
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 6e262022..f410a5c4 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -15,7 +15,7 @@
                 "SERVER_NAME": "localhost, host.docker.internal",
                 "CADDY_SERVER_EXTRA_DIRECTIVES": "tls internal"
             },
-            "args": ["run", "--config", "../../Caddyfile.dev"]
+            "args": ["run", "--config", "../../dev.Caddyfile"]
         }
     ]
 }
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 24d3140a..d8065cbc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -48,7 +48,7 @@ To run the test suite:
 To test the Caddy module:
 
     cd caddy/mercure
-    MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' go run main.go run --config ../../Caddyfile.dev
+    MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' go run main.go run --config ../../dev.Caddyfile
 
 Go to `https://localhost` and enjoy!
 
diff --git a/Dockerfile b/Dockerfile
index 910ab9ee..eb246a83 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,4 +4,4 @@ ENV MERCURE_TRANSPORT_URL=bolt:///data/mercure.db
 
 COPY mercure /usr/bin/caddy
 COPY Caddyfile /etc/caddy/Caddyfile
-COPY Caddyfile.dev /etc/caddy/Caddyfile.dev
+COPY dev.Caddyfile /etc/caddy/dev.Caddyfile
diff --git a/charts/mercure/templates/deployment.yaml b/charts/mercure/templates/deployment.yaml
index 9e2348b6..9fb9bada 100644
--- a/charts/mercure/templates/deployment.yaml
+++ b/charts/mercure/templates/deployment.yaml
@@ -36,7 +36,7 @@ spec:
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
           {{- if .Values.dev }}
           command: ["caddy"]
-          args: ["run", "--config", "/etc/caddy/Caddyfile.dev", "--adapter", "caddyfile"]
+          args: ["run", "--config", "/etc/caddy/dev.Caddyfile", "--adapter", "caddyfile"]
           {{- end }}
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           env:
diff --git a/Caddyfile.dev b/dev.Caddyfile
similarity index 100%
rename from Caddyfile.dev
rename to dev.Caddyfile
diff --git a/docs/UPGRADE.md b/docs/UPGRADE.md
index 0ea21531..edc521ac 100644
--- a/docs/UPGRADE.md
+++ b/docs/UPGRADE.md
@@ -1,5 +1,10 @@
 # Upgrade
 
+## 0.16.2
+
+The `Caddyfile.dev` file has been renamed `dev.Caddyfile` to match new Caddy best practices
+and prevent "ambigous adapter" issues.
+
 ## 0.14.4
 
 This release is built on top of [Caddy 2.6](https://github.com/caddyserver/caddy/releases/tag/v2.6.0).
diff --git a/docs/hub/install.md b/docs/hub/install.md
index 9cd6a9ca..1279a204 100644
--- a/docs/hub/install.md
+++ b/docs/hub/install.md
@@ -18,13 +18,13 @@ To start the Mercure.rocks Hub in development mode on Linux and macOS, run:
 ```console
 MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' \
 MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' \
-./mercure run --config Caddyfile.dev
+./mercure run --config dev.Caddyfile
 ```
 
 On Windows, start PowerShell, go into the extracted directory and run:
 
 ```powershell
-$env:MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!'; $env:MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!'; .\mercure.exe run --config Caddyfile.dev
+$env:MERCURE_PUBLISHER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!'; $env:MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!'; .\mercure.exe run --config dev.Caddyfile
 ```
 
 *Note:* The Windows Defender Firewall will ask you if you want to allow `mercure.exe` to communicate through it.
@@ -65,7 +65,7 @@ docker run \
     -e MERCURE_SUBSCRIBER_JWT_KEY='!ChangeThisMercureHubJWTSecretKey!' \
     -p 80:80 \
     -p 443:443 \
-    dunglas/mercure caddy run --config /etc/caddy/Caddyfile.dev
+    dunglas/mercure caddy run --config /etc/caddy/dev.Caddyfile
 ```
 
 The server is then available on `https://localhost`. Anonymous subscribers are allowed and the debugger UI is available on `https://localhost/.well-known/mercure/ui/`.
@@ -125,7 +125,7 @@ services:
       MERCURE_PUBLISHER_JWT_KEY: '!ChangeThisMercureHubJWTSecretKey!'
       MERCURE_SUBSCRIBER_JWT_KEY: '!ChangeThisMercureHubJWTSecretKey!'
     # Uncomment the following line to enable the development mode
-    #command: /usr/bin/caddy run --config /etc/caddy/Caddyfile.dev
+    #command: /usr/bin/caddy run --config /etc/caddy/dev.Caddyfile
     healthcheck:
       test: ["CMD", "curl", "-f", "https://localhost/healthz"]
       timeout: 5s
diff --git a/docs/hub/traefik.md b/docs/hub/traefik.md
index df856b39..8420aa8d 100644
--- a/docs/hub/traefik.md
+++ b/docs/hub/traefik.md
@@ -30,7 +30,7 @@ services:
       MERCURE_PUBLISHER_JWT_KEY: '!ChangeThisMercureHubJWTSecretKey!'
       MERCURE_SUBSCRIBER_JWT_KEY: '!ChangeThisMercureHubJWTSecretKey!'
     # Enables the development mode, comment the following line to run the hub in prod mode
-    command: /usr/bin/caddy run --config /etc/caddy/Caddyfile.dev
+    command: /usr/bin/caddy run --config /etc/caddy/dev.Caddyfile
     healthcheck:
       test: ["CMD", "curl", "-f", "https://localhost/healthz"]
       timeout: 5s