diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6965f5..4f3fef8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.7.3](https://github.com/recap-utr/arg-services-python/compare/v1.7.2...v1.7.3) (2024-12-18)
+
+
+### Bug Fixes
+
+* update protobuf to v5 ([24eb33b](https://github.com/recap-utr/arg-services-python/commit/24eb33b3d647ae585f7e4af54abd6d3102f79984))
+
 ## [1.7.2](https://github.com/recap-utr/arg-services-python/compare/v1.7.1...v1.7.2) (2024-12-18)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index c999f86..20d0090 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "arg-services"
-version = "1.7.2"
+version = "1.7.3"
 description = "gRPC definitions for microservice-based argumentation machines"
 authors = ["Mirko Lenz <info@mirko-lenz.de>"]
 license = "MIT"