diff --git a/CHANGELOG.md b/CHANGELOG.md
index e82aad72..f009015c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,7 +24,9 @@
     WHen using JDK 9 or later
 
 --> See TODO.txt
-## 0.5.3 - unreleased
+
+## 0.5.3 - 2024-04-28
+
 - Fix INTERNAL ERROR in `FastLSolve.solveL1Straight()` caused by bug in `DLCP.solve1()`.
   [#133](https://github.com/tzaeschke/ode4j/issues/133)
 - Fix formatting of debug/info/error message.
diff --git a/README.md b/README.md
index a1246a55..28d35342 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ ODE is an open source, high performance library for simulating rigid body dynami
 and platform independent with an easy to use C/C++ API. It has advanced joint types and integrated collision detection
 with friction. ODE is useful for simulating vehicles, objects in virtual reality environments and virtual creatures.
 
-The latest released version of ode4j is 0.5.2, but the master branch may contain fixes and improvements. Release 0.5.0
+The latest released version of ode4j is 0.5.3, but the master branch may contain fixes and improvements. Release 0.5.0
 contains all changes up to ODE 0.16.3.
 
 Resources
@@ -37,12 +37,16 @@ are [not included](https://github.com/tzaeschke/ode4j/wiki/Maven-HOWTO)):
 <dependency>
     <groupId>org.ode4j</groupId>
     <artifactId>core</artifactId>
-    <version>0.5.2</version>
+    <version>0.5.3</version>
 </dependency>
 ```
 
 ## News
 
+2024-04-28: Release 0.5.3:
+
+* Bug fix for possible INTERNAL ERROR in DLCP/FastSolver + some minor improvements
+
 2023-10-07: Release 0.5.2:
 
 * Bug fix for DVector3.cross() + some minor improvements