diff --git a/CMakeLists.txt b/CMakeLists.txt
index 042acbd67e..f3b3705b48 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ set(F3D_MINOR_VERSION 0)
 set(F3D_PATCH_VERSION 0)
 set(F3D_VERSION ${F3D_MAJOR_VERSION}.${F3D_MINOR_VERSION}.${F3D_PATCH_VERSION})
 
-set(F3D_PATCH_VERSION_EXTRA "RC3")
+set(F3D_PATCH_VERSION_EXTRA "RC4")
 if(F3D_PATCH_VERSION_EXTRA STREQUAL "")
   set(F3D_VERSION_FULL ${F3D_VERSION})
 else()
diff --git a/pyproject.toml b/pyproject.toml
index 6256a54b65..5875d51ef7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ wheel.packages = []
 version_file = "_version.py"
 version_scheme = "no-guess-dev"
 local_scheme = "no-local-version"
-fallback_version = "3.0.0-RC3"
+fallback_version = "3.0.0-RC4"
 
 [tool.scikit-build.cmake.define]
 CMAKE_OSX_DEPLOYMENT_TARGET = "10.15"