diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 286fcd3..3ef1ce1 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.5.6"
+  ".": "2.5.7"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22a227d..aff5a96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.5.7](https://github.com/easimon/shelly-exporter/compare/2.5.6...2.5.7) (2024-05-24)
+
+
+### Bug Fixes
+
+* make some metrics attributes optional in Gen1 devices for real ([f9eb7df](https://github.com/easimon/shelly-exporter/commit/f9eb7df1c513f00c3a2b74922bae7a349f5ee922))
+
 ## [2.5.6](https://github.com/easimon/shelly-exporter/compare/2.5.5...2.5.6) (2024-05-22)
 
 ### Dependencies
diff --git a/README.md b/README.md
index 8b965ea..d4f9d51 100644
--- a/README.md
+++ b/README.md
@@ -89,14 +89,14 @@ $ SHELLY_AUTH_USERNAME=your_username \
 Optional: To build the docker container yourself, check out this repository and build it using
 
 ```bash
-$ export SHELLY_EXPORTER_IMAGE=ghcr.io/easimon/shelly-exporter:v2.5.6 # x-release-please-version
+$ export SHELLY_EXPORTER_IMAGE=ghcr.io/easimon/shelly-exporter:v2.5.7 # x-release-please-version
 $ docker build --tag $SHELLY_EXPORTER_IMAGE .
 ```
 
 Running it
 
 ```bash
-$ export SHELLY_EXPORTER_IMAGE=ghcr.io/easimon/shelly-exporter:v2.5.6 # x-release-please-version
+$ export SHELLY_EXPORTER_IMAGE=ghcr.io/easimon/shelly-exporter:v2.5.7 # x-release-please-version
 $ docker run \
   -e SHELLY_AUTH_USERNAME=your_username \
   -e SHELLY_AUTH_PASSWORD=your_password \
diff --git a/pom.xml b/pom.xml
index 0d6f279..3aeae4c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>click.dobel</groupId>
   <artifactId>shelly-exporter</artifactId>
-  <version>2.5.6</version><!-- x-release-please-version -->
+  <version>2.5.7</version><!-- x-release-please-version -->
   <name>shelly-exporter</name>
   <description>Shelly Prometheus Exporter</description>
 
diff --git a/version.txt b/version.txt
index da6b0a8..35d16fb 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.5.6
+2.5.7