diff --git a/.github/workflows/pyleco_CI.yml b/.github/workflows/pyleco_CI.yml
index f86c78c6..562ab8e2 100644
--- a/.github/workflows/pyleco_CI.yml
+++ b/.github/workflows/pyleco_CI.yml
@@ -112,7 +112,7 @@ jobs:
       fail-fast: true
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 733bd93d..59b57838 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ _Use self defined objects instead of jsonrpc2-objects and jsonrpc2-pyclient._
 
 - Add __future__.annotations to all files, which need it for annotations for Python 3.7/3.8.
 - Add self written `RPCServer` as alternative to openrpc package.
+- Compatibility with Python 3.7/3.8
 
 
 ## [0.2.2] - 2024-02-14
diff --git a/pyproject.toml b/pyproject.toml
index f535b264..542c3928 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
     "Topic :: System :: Networking",
 ]
 
-requires-python = ">=3.8"
+requires-python = ">=3.7"
 dependencies = [
   "pyzmq >= 22.3.0",
   "openrpc >= 8.1.0; python_version >= '3.9'",