diff --git a/compiler/core/src/zserio/tools/ZserioVersion.java b/compiler/core/src/zserio/tools/ZserioVersion.java
index f644d21e2..f9b746e99 100644
--- a/compiler/core/src/zserio/tools/ZserioVersion.java
+++ b/compiler/core/src/zserio/tools/ZserioVersion.java
@@ -6,5 +6,5 @@
 public final class ZserioVersion
 {
     /** ZserioTool version string. */
-    public static final String VERSION_STRING = "2.0.0-pre3";
+    public static final String VERSION_STRING = "2.0.0-pre4";
 }
diff --git a/compiler/extensions/cpp/runtime/doc/doxyfile b/compiler/extensions/cpp/runtime/doc/doxyfile
index 982236934..0b4b33c44 100644
--- a/compiler/extensions/cpp/runtime/doc/doxyfile
+++ b/compiler/extensions/cpp/runtime/doc/doxyfile
@@ -1,5 +1,5 @@
 PROJECT_NAME           = Zserio
-PROJECT_NUMBER         = 2.0.0-pre3
+PROJECT_NUMBER         = 2.0.0-pre4
 PROJECT_BRIEF          = "C++ runtime library"
 OUTPUT_DIRECTORY       = .
 DISTRIBUTE_GROUP_DOC   = YES
diff --git a/compiler/extensions/cpp/runtime/src/zserio/CppRuntimeVersion.h b/compiler/extensions/cpp/runtime/src/zserio/CppRuntimeVersion.h
index eef0ddab1..5b100f5a7 100644
--- a/compiler/extensions/cpp/runtime/src/zserio/CppRuntimeVersion.h
+++ b/compiler/extensions/cpp/runtime/src/zserio/CppRuntimeVersion.h
@@ -4,6 +4,6 @@
 /**
  * C++ extension runtime version string.
  */
-#define CPP_EXTENSION_RUNTIME_VERSION_STRING "2.0.0-pre3"
+#define CPP_EXTENSION_RUNTIME_VERSION_STRING "2.0.0-pre4"
 
 #endif // ifndef ZSERIO_CPP_RUNTIME_VERSION_H_INC
diff --git a/compiler/extensions/cpp/src/zserio/emit/cpp/CppExtensionVersion.java b/compiler/extensions/cpp/src/zserio/emit/cpp/CppExtensionVersion.java
index 64f410884..f354c5e9f 100644
--- a/compiler/extensions/cpp/src/zserio/emit/cpp/CppExtensionVersion.java
+++ b/compiler/extensions/cpp/src/zserio/emit/cpp/CppExtensionVersion.java
@@ -8,5 +8,5 @@
 public class CppExtensionVersion
 {
     /** C++ extension version string. */
-    public static final String VERSION_STRING = "2.0.0-pre3";
+    public static final String VERSION_STRING = "2.0.0-pre4";
 }
diff --git a/compiler/extensions/doc/src/zserio/emit/doc/DocExtensionVersion.java b/compiler/extensions/doc/src/zserio/emit/doc/DocExtensionVersion.java
index 61e624f90..1df41b66f 100644
--- a/compiler/extensions/doc/src/zserio/emit/doc/DocExtensionVersion.java
+++ b/compiler/extensions/doc/src/zserio/emit/doc/DocExtensionVersion.java
@@ -8,5 +8,5 @@
 public class DocExtensionVersion
 {
     /** Documentation extension version string. */
-    public static final String VERSION_STRING = "2.0.0-pre3";
+    public static final String VERSION_STRING = "2.0.0-pre4";
 }
diff --git a/compiler/extensions/java/src/zserio/emit/java/JavaExtensionVersion.java b/compiler/extensions/java/src/zserio/emit/java/JavaExtensionVersion.java
index d41ba8bdb..d6334b584 100644
--- a/compiler/extensions/java/src/zserio/emit/java/JavaExtensionVersion.java
+++ b/compiler/extensions/java/src/zserio/emit/java/JavaExtensionVersion.java
@@ -8,5 +8,5 @@
 public class JavaExtensionVersion
 {
     /** Java extension version string. */
-    public static final String VERSION_STRING = "2.0.0-pre3";
+    public static final String VERSION_STRING = "2.0.0-pre4";
 }
diff --git a/compiler/extensions/python/runtime/src/zserio/__init__.py b/compiler/extensions/python/runtime/src/zserio/__init__.py
index a82d0d2ae..d4dc6892e 100644
--- a/compiler/extensions/python/runtime/src/zserio/__init__.py
+++ b/compiler/extensions/python/runtime/src/zserio/__init__.py
@@ -22,4 +22,4 @@
 import zserio.hashcode
 import zserio.limits
 
-VERSION_STRING = "2.0.0-pre3"
+VERSION_STRING = "2.0.0-pre4"
diff --git a/compiler/extensions/python/src/zserio/emit/python/PythonExtensionVersion.java b/compiler/extensions/python/src/zserio/emit/python/PythonExtensionVersion.java
index ad1bfe03c..b68b9cc65 100644
--- a/compiler/extensions/python/src/zserio/emit/python/PythonExtensionVersion.java
+++ b/compiler/extensions/python/src/zserio/emit/python/PythonExtensionVersion.java
@@ -8,5 +8,5 @@
 public class PythonExtensionVersion
 {
     /** Python extension version string. */
-    public static final String VERSION_STRING = "2.0.0-pre3";
+    public static final String VERSION_STRING = "2.0.0-pre4";
 }
diff --git a/compiler/extensions/xml/src/zserio/emit/xml/XmlExtensionVersion.java b/compiler/extensions/xml/src/zserio/emit/xml/XmlExtensionVersion.java
index d6e7aa64e..cabea0e03 100644
--- a/compiler/extensions/xml/src/zserio/emit/xml/XmlExtensionVersion.java
+++ b/compiler/extensions/xml/src/zserio/emit/xml/XmlExtensionVersion.java
@@ -8,5 +8,5 @@
 public class XmlExtensionVersion
 {
     /** XML extension version string. */
-    public static final String VERSION_STRING = "2.0.0-pre3";
+    public static final String VERSION_STRING = "2.0.0-pre4";
 }