diff --git a/bindings/python/setup.py b/bindings/python/setup.py
index ef18fa7da2..1dc574ab43 100755
--- a/bindings/python/setup.py
+++ b/bindings/python/setup.py
@@ -29,7 +29,7 @@
 UC_DIR = os.path.join(ROOT_DIR, '../..')
 BUILD_DIR = os.path.join(UC_DIR, 'build')
 
-VERSION = "2.0.0rc3"
+VERSION = "2.0.0rc4"
 
 if SYSTEM == 'darwin':
     LIBRARY_FILE = "libunicorn.dylib"
diff --git a/bindings/rust/Cargo.toml b/bindings/rust/Cargo.toml
index 9c020538a7..fab0c02aec 100644
--- a/bindings/rust/Cargo.toml
+++ b/bindings/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "unicorn-engine"
-version = "2.0.0-rc3"
+version = "2.0.0-rc4"
 authors = ["Ziqiao Kong", "Lukas Seidel"]
 documentation = "https://github.com/unicorn-engine/unicorn/wiki"
 edition = "2018"