diff --git a/.gitignore b/.gitignore
index e44a289..8aca4fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@
 /marshalparser-0.2.6.tar.gz
 /marshalparser-0.3.0.tar.gz
 /marshalparser-0.3.1.tar.gz
+/marshalparser-0.3.2.tar.gz
+/marshalparser-0.3.3.tar.gz
diff --git a/marshalparser.spec b/marshalparser.spec
index ca80457..1bad2c9 100644
--- a/marshalparser.spec
+++ b/marshalparser.spec
@@ -1,6 +1,6 @@
 Name:           marshalparser
-Version:        0.3.1
-Release:        3%{?dist}
+Version:        0.3.3
+Release:        1%{?dist}
 Summary:        Parser for Python internal Marshal format
 
 License:        MIT
@@ -17,6 +17,8 @@ BuildRequires:  python3.7
 BuildRequires:  python3.8
 BuildRequires:  python3.9
 BuildRequires:  python3.10
+BuildRequires:  python3.11
+BuildRequires:  python3.12
 
 %generate_buildrequires
 %pyproject_buildrequires -t
@@ -44,6 +46,10 @@ reproducibility.
 %{_bindir}/%{name}
 
 %changelog
+* Sat Nov 05 2022 Lumír Balhar <lbalhar@redhat.com> - 0.3.3-1
+- Update to 0.3.3
+Resolves: rhbz#2140261
+
 * Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
 
diff --git a/sources b/sources
index 3d15c90..7ef0102 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (marshalparser-0.3.1.tar.gz) = 55451c8c7930cc5de81ea3d861ab0707ca12227dbff3516740123823bccc19aa87ad1eb3f3a52b9e7e055cd15bfaf82d50989c3ea7a7b5b9323d5cfe446436e7
+SHA512 (marshalparser-0.3.3.tar.gz) = e465cef1d3dfc5f20815c8d3d3fd2d04228634457a99d0f94af0686969fcb9cc278f40084655fe4cff870133b2331ab9f8edaf30dbd06fc1a2fece1d8b4dd522
diff --git a/tests/tests.yml b/tests/tests.yml
index 4cd3b3e..016b112 100644
--- a/tests/tests.yml
+++ b/tests/tests.yml
@@ -34,6 +34,9 @@
     - marshalparser_compatibility311:
         dir: python/marshalparser
         run: VERSION=3.11 SAMPLE=200 test_marshalparser_compatibility.sh
+    - marshalparser_compatibility312:
+        dir: python/marshalparser
+        run: VERSION=3.12 SAMPLE=200 test_marshalparser_compatibility.sh
     required_packages:
     - python3.6
     - python3.7
@@ -41,4 +44,5 @@
     - python3.9
     - python3.10
     - python3.11
+    - python3.12
     - marshalparser