diff --git a/engine/pyproject.toml b/engine/pyproject.toml
index 6dcefd8b..941a74d1 100644
--- a/engine/pyproject.toml
+++ b/engine/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "momba_engine"
-version = "0.6.11"
+version = "0.6.12"
 description = "Momba's state space exploration engine."
 authors = [
     { name = "Maximilian Köhl", email = "koehl@cs.uni-saarland.de" }
diff --git a/pyproject.toml b/pyproject.toml
index e101d44c..fbf5ac8a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "momba"
-version = "0.6.11"
+version = "0.6.12"
 description = "A Python library for quantitative models."
 authors = [
     { name = "Maximilian Köhl", email = "koehl@cs.uni-saarland.de" }
@@ -17,7 +17,7 @@ classifiers = [
 dependencies = [
     "mxu>=0.0.6",
     "immutables>=0.20",
-    "momba-engine==0.6.11",
+    "momba-engine==0.6.12",
 ]
 
 [project.urls]