diff --git a/.github/workflows/runtests.yml b/.github/workflows/runtests.yml
index 0156146..e9e6c5d 100644
--- a/.github/workflows/runtests.yml
+++ b/.github/workflows/runtests.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     strategy:
       matrix:
-        version: [3.8, 3.9, 3.13]
+        version: [3.8, 3.9, 3.12]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -27,6 +27,5 @@ jobs:
       - name: Install dependencies
         run: |
           poetry install --no-interaction
-
       - name: Run tests with pytest
         run: poetry run pytest
diff --git a/pyproject.toml b/pyproject.toml
index b257813..0d3634a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "neqsim"
-version = "3.0.12"
+version = "3.0.13"
 description = "NeqSim is a tool for thermodynamic and process calculations"
 authors = ["Even Solbraa <esolbraa@gmail.com>"]
 license = "Apache-2.0"
diff --git a/src/neqsim/lib/java11/neqsim-3.0.12.jar b/src/neqsim/lib/java11/neqsim-3.0.13.jar
similarity index 97%
rename from src/neqsim/lib/java11/neqsim-3.0.12.jar
rename to src/neqsim/lib/java11/neqsim-3.0.13.jar
index bd3dd59..2c77afb 100644
Binary files a/src/neqsim/lib/java11/neqsim-3.0.12.jar and b/src/neqsim/lib/java11/neqsim-3.0.13.jar differ
diff --git a/src/neqsim/lib/java8/neqsim-3.0.12-Java8.jar b/src/neqsim/lib/java8/neqsim-3.0.13-Java8.jar
similarity index 97%
rename from src/neqsim/lib/java8/neqsim-3.0.12-Java8.jar
rename to src/neqsim/lib/java8/neqsim-3.0.13-Java8.jar
index 405cee1..6a6bcad 100644
Binary files a/src/neqsim/lib/java8/neqsim-3.0.12-Java8.jar and b/src/neqsim/lib/java8/neqsim-3.0.13-Java8.jar differ