diff --git a/Makefile b/Makefile
index 38ae987..aedf7e9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
-# Needs python3 >= 3.9, sed, git for build
+# Needs python3 >= 3.9, sed, git for build, docker for tests
 build: clean
 	python3 -m pip install -r requirements.txt --no-compile --target build
 	cp -r mail4one/ build/
 	sed -i "s/DEVELOMENT/$(shell scripts/get_version.sh)/" build/mail4one/version.py
 	find build -name "*.pyi" -o -name "py.typed" | xargs -I typefile rm typefile
-	rm -rf build/bin 
+	rm -rf build/bin
 	rm -rf build/mail4one/__pycache__
 	rm -rf build/*.dist-info
 	python3 -m zipapp \
@@ -26,6 +26,7 @@ docker-tests:
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.9         sh scripts/runtests.sh
 
 # ============================================================================
+# Below targets for devs. Need pipenv, black installed
 
 requirements.txt: Pipfile.lock
 	pipenv requirements > requirements.txt
diff --git a/Pipfile.lock b/Pipfile.lock
index 3d57926..8287405 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -35,11 +35,11 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:1f28b4522cdc2fb4256ac1a020c78acf9cba2c6b461ccd2c126f3aa8e8335d04",
-                "sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015"
+                "sha256:935dc3b529c262f6cf76e50877d35a4bd3c1de194fd41f47a2b7ae8f19971f30",
+                "sha256:99b87a485a5820b23b879f04c2305b44b951b502fd64be915879d77a7e8fc6f1"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==23.1.0"
+            "version": "==23.2.0"
         },
         "python-jata": {
             "hashes": [
diff --git a/deploy_configs/README.md b/deploy_configs/README.md
index 13abe9b..a121b2a 100644
--- a/deploy_configs/README.md
+++ b/deploy_configs/README.md
@@ -107,7 +107,7 @@ cd test_dir
 python3 -m http.server 25
 ```
 In local machine or a browser
-You should see file listing a, b, c. Repeat for port 465, 995 to make sure firewall rules and dns is working 
+You should see file listing a, b, c. Repeat for port 465, 995 to make sure firewall rules and dns is working
 ```sh
 curl http://mail.example.com:25
 ```
diff --git a/requirements.txt b/requirements.txt
index 6c908e5..2896019 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -i https://pypi.org/simple
 aiosmtpd==1.4.4.post2; python_version ~= '3.7'
 atpublic==4.0; python_version >= '3.8'
-attrs==23.1.0; python_version >= '3.7'
+attrs==23.2.0; python_version >= '3.7'
 python-jata==1.2; python_version >= '3.8'