diff --git a/neqsim/lib/java11/neqsim-2.5.20.jar b/neqsim/lib/java11/neqsim-2.5.21.jar
similarity index 97%
rename from neqsim/lib/java11/neqsim-2.5.20.jar
rename to neqsim/lib/java11/neqsim-2.5.21.jar
index d377280..66268c3 100644
Binary files a/neqsim/lib/java11/neqsim-2.5.20.jar and b/neqsim/lib/java11/neqsim-2.5.21.jar differ
diff --git a/neqsim/lib/java8/neqsim-2.5.20-Java8.jar b/neqsim/lib/java8/neqsim-2.5.21-Java8.jar
similarity index 97%
rename from neqsim/lib/java8/neqsim-2.5.20-Java8.jar
rename to neqsim/lib/java8/neqsim-2.5.21-Java8.jar
index 723f261..e5babe5 100644
Binary files a/neqsim/lib/java8/neqsim-2.5.20-Java8.jar and b/neqsim/lib/java8/neqsim-2.5.21-Java8.jar differ
diff --git a/poetry.lock b/poetry.lock
index 1352b54..f83aaa1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "anyio"
@@ -3234,4 +3234,4 @@ interactive = ["jupyter", "matplotlib", "tabulate"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "f304e9bec292de92e345fc61361466e029d351df50250d7fd1ba6a99061ed570"
+content-hash = "da129e77314925b911b27dbd58a29a4b3ab1eab4e2d3caa214eb132946bd0208"
diff --git a/pyproject.toml b/pyproject.toml
index d4c95e1..ec96051 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "neqsim"
-version = "2.5.20"
+version = "2.5.21"
 description = "NeqSim is a tool for thermodynamic and process calculations"
 authors = ["Even Solbraa <esolbraa@gmail.com>"]
 license = "Apache-2.0"