diff --git a/CHANGELOG b/CHANGELOG
index b872c3a50d0..f36d2c3ab75 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,12 @@
+# CBMC 6.3.1
+
+This patch release addresses build failures on Apple Silicon (via PR #8461).
+
+## Bug Fixes
+* C library: Apple does not adhere to aarch64 ABI by @tautschnig in https://github.com/diffblue/cbmc/pull/8461
+
+**Full Changelog**: https://github.com/diffblue/cbmc/compare/cbmc-6.3.0...cbmc-6.3.1
+
 # CBMC 6.3.0
 
 This release addresses build failures on aarch64 (64-bit ARM) platforms (via PR #8366) and for some CMake configurations (via PR #8435). Users of loop invariants with dynamic frames have two changes to their user experience:
diff --git a/src/config.inc b/src/config.inc
index 9bb001354bb..9125a0a0e9e 100644
--- a/src/config.inc
+++ b/src/config.inc
@@ -79,7 +79,7 @@ endif
 OSX_IDENTITY="Developer ID Application: Daniel Kroening"
 
 # Detailed version information
-CBMC_VERSION = 6.3.0
+CBMC_VERSION = 6.3.1
 
 # Use the CUDD library for BDDs, can be installed using `make -C src cudd-download`
 # CUDD = ../../cudd-3.0.0
diff --git a/src/libcprover-rust/Cargo.toml b/src/libcprover-rust/Cargo.toml
index 713b4c61226..bb7bd8caf90 100644
--- a/src/libcprover-rust/Cargo.toml
+++ b/src/libcprover-rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libcprover_rust"
-version = "6.3.0"
+version = "6.3.1"
 edition = "2021"
 description = "Rust API for CBMC and assorted CProver tools"
 repository = "https://github.com/diffblue/cbmc"