diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcde410..1852db8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 ---
 
 ## 1.2.x
+### 1.2.2 Patch: Pyproject file (25.03.23)
+- Fixed `Development Status` Classifier
+- Added <4.0 python version
+
+### 1.2.1 Patch: Changelog file (25.03.23)
+- Patches formation in changelog file.
+
 ### 1.2.0 Refactor: Splitting Classes into Separate Files (25.03.23)
 - Refactored `gui.py`, which previously contained almost all the code, into multiple files.
 - Each window's logic is now in its own file, improving code organization.
diff --git a/src/pyproject.toml b/src/pyproject.toml
index 0c07f29..ec4f716 100644
--- a/src/pyproject.toml
+++ b/src/pyproject.toml
@@ -8,7 +8,7 @@ dynamic = ["version"]
 authors = [{ name = "Mr Finchum" }]
 description = "User interface for optima35."
 readme = "../pip_README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.8, <4.0"
 dependencies = [
     "optima35>=1.0.0, <2.0.0",
     "PyPiUpdater>=0.7.2, <1.0.0",
@@ -16,7 +16,7 @@ dependencies = [
     "PyYAML",
 ]
 classifiers = [
-    "Development Status :: 4 - Beta",
+    "Development Status :: 5 - Production/Stable",
     "Environment :: X11 Applications :: Qt",
     "Topic :: Multimedia :: Graphics :: Editors",
     "Programming Language :: Python :: 3",