diff --git a/CITATION.cff b/CITATION.cff
index 01d77a15..1b8c52da 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,6 +1,6 @@
 cff-version: 1.2.0
 title: "MSCCL++: A GPU-driven communication stack for scalable AI applications"
-version: 0.4.0
+version: 0.4.2
 message: >-
   If you use this project in your research, please cite it as below.
 authors:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cedb136f..e465d50d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 
 set(MSCCLPP_MAJOR "0")
 set(MSCCLPP_MINOR "4")
-set(MSCCLPP_PATCH "0")
+set(MSCCLPP_PATCH "2")
 
 set(MSCCLPP_SOVERSION ${MSCCLPP_MAJOR})
 set(MSCCLPP_VERSION "${MSCCLPP_MAJOR}.${MSCCLPP_MINOR}.${MSCCLPP_PATCH}")
diff --git a/docs/conf.py b/docs/conf.py
index a8f28c2e..2e6544fa 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = "mscclpp"
 copyright = "2023, MSCCL++ Team"
 author = "MSCCL++ Team"
-release = "v0.4.0"
+release = "v0.4.2"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/include/mscclpp/core.hpp b/include/mscclpp/core.hpp
index f55ac3dd..60494a09 100644
--- a/include/mscclpp/core.hpp
+++ b/include/mscclpp/core.hpp
@@ -6,7 +6,7 @@
 
 #define MSCCLPP_MAJOR 0
 #define MSCCLPP_MINOR 4
-#define MSCCLPP_PATCH 0
+#define MSCCLPP_PATCH 2
 #define MSCCLPP_VERSION (MSCCLPP_MAJOR * 10000 + MSCCLPP_MINOR * 100 + MSCCLPP_PATCH)
 
 #include <array>
diff --git a/pyproject.toml b/pyproject.toml
index 657d1e06..37dbf8ac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "mscclpp"
-version = "0.4.0"
+version = "0.4.2"
 
 [tool.scikit-build]
 cmake.minimum-version = "3.25.0"