diff --git a/CHANGELOG.md b/CHANGELOG.md
index 886e5f92..4a7cfb8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Improved the allocations by ETF holding on the allocations page for the impersonation mode (experimental)
 - Improved the detection of REST APIs (`JSON`) used via the scraper configuration
 - Refactored the thresholds of the rules in the _X-ray_ section
+- Removed the obsolete `version` from the `docker-compose` files
 - Upgraded `Nx` from version `19.2.2` to `19.4.0`
 
 ## 2.92.0 - 2024-06-30
diff --git a/docker/docker-compose.build.yml b/docker/docker-compose.build.yml
index 7ad52be7..28990692 100644
--- a/docker/docker-compose.build.yml
+++ b/docker/docker-compose.build.yml
@@ -1,4 +1,3 @@
-version: '3.9'
 services:
   ghostfolio:
     build: ../
diff --git a/docker/docker-compose.dev.yml b/docker/docker-compose.dev.yml
index a61359a5..47944378 100644
--- a/docker/docker-compose.dev.yml
+++ b/docker/docker-compose.dev.yml
@@ -1,4 +1,3 @@
-version: '3.9'
 services:
   postgres:
     image: postgres:15
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index d2dbb811..3e708e91 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.9'
 services:
   ghostfolio:
     image: ghostfolio/ghostfolio:latest