diff --git a/pyproject.toml b/pyproject.toml
index c7cd4c2ac427e7ed71615882e7bb97d081a7dafa..088200e44f589e221982ddaab825986c4224243d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,8 +9,24 @@ readme = "README.md"
 license = { file = "LICENSE" }
 classifiers = [
     "Development Status :: 2 - Pre-Alpha",
-    "Programming Language :: Python :: 3"
-    ]
+    "Intended Audience :: Developers",
+    "Intended Audience :: Education",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: Eclipse Public License 2.0 (EPL-2.0)",
+    "Programming Language :: C++",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3 :: Only",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Scientific/Engineering :: Artificial Intelligence",
+    "Topic :: Software Development"
+]
 dynamic = ["version"] # defined by pbr
 
 [build-system]
diff --git a/version.txt b/version.txt
index 69367fd08f3ce302151ebc9779193d517dfa32de..9e11b32fcaa96816319e5d0dcff9fb2873f04061 100644
--- a/version.txt
+++ b/version.txt
@@ -1,2 +1 @@
-0.3.0
-
+0.3.1