diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2c80bdf1a54..b58bc5dacdd2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,20 @@ This file contains notable changes (e.g. breaking changes, major changes, etc.)
 
 This file was introduced starting Kani 0.23.0, so it only contains changes from version 0.23.0 onwards.
 
+## [0.43.0]
+
+## What's Changed
+* Make `codegen_span` stable by @ouz-a in https://github.com/model-checking/kani/pull/2882
+* Change reachability module to use StableMIR by @celinval in https://github.com/model-checking/kani/pull/2894
+* Fix StableMIR migration documentation by @celinval in https://github.com/model-checking/kani/pull/2915
+* Stabilize `find_debug_info` by @ouz-a in https://github.com/model-checking/kani/pull/2912
+* Migrate hooks and place modules to use mostly StableMIR APIs by @celinval in https://github.com/model-checking/kani/pull/2910
+* Migrate static handling and most of the operand codegen code to StableMIR by @celinval in https://github.com/model-checking/kani/pull/2931
+* Migrate `rvalue` and `coercion` module to use StableMIR by @celinval in https://github.com/model-checking/kani/pull/2938
+* Migrate `intrinsics` module to use StableMIR by @celinval in https://github.com/model-checking/kani/pull/2939
+
+**Full Changelog**: https://github.com/model-checking/kani/compare/kani-0.42.0...kani-0.43.0
+
 ## [0.42.0]
 
 ### What's Changed
diff --git a/Cargo.lock b/Cargo.lock
index cf781bb7a583..1f20e51e4013 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -119,7 +119,7 @@ dependencies = [
 
 [[package]]
 name = "build-kani"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "anyhow",
  "cargo_metadata",
@@ -255,7 +255,7 @@ dependencies = [
 
 [[package]]
 name = "cprover_bindings"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "lazy_static",
  "linear-map",
@@ -439,14 +439,14 @@ checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
 
 [[package]]
 name = "kani"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "kani_macros",
 ]
 
 [[package]]
 name = "kani-compiler"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "clap",
  "cprover_bindings",
@@ -467,7 +467,7 @@ dependencies = [
 
 [[package]]
 name = "kani-driver"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "anyhow",
  "cargo_metadata",
@@ -495,7 +495,7 @@ dependencies = [
 
 [[package]]
 name = "kani-verifier"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "anyhow",
  "home",
@@ -504,7 +504,7 @@ dependencies = [
 
 [[package]]
 name = "kani_macros"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
@@ -514,7 +514,7 @@ dependencies = [
 
 [[package]]
 name = "kani_metadata"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "clap",
  "cprover_bindings",
@@ -1049,7 +1049,7 @@ checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
 [[package]]
 name = "std"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "kani",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 911375d4e0e0..c4e3653ff82d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "kani-verifier"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 description = "A bit-precise model checker for Rust."
 readme = "README.md"
diff --git a/cprover_bindings/Cargo.toml b/cprover_bindings/Cargo.toml
index 96b0192f71fb..6a59cf28358d 100644
--- a/cprover_bindings/Cargo.toml
+++ b/cprover_bindings/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "cprover_bindings"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false
diff --git a/kani-compiler/Cargo.toml b/kani-compiler/Cargo.toml
index a9e4c974c6eb..7855e0c9c857 100644
--- a/kani-compiler/Cargo.toml
+++ b/kani-compiler/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "kani-compiler"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false
diff --git a/kani-driver/Cargo.toml b/kani-driver/Cargo.toml
index ca0161652ae4..05c82d45960d 100644
--- a/kani-driver/Cargo.toml
+++ b/kani-driver/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "kani-driver"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 description = "Build a project with Kani and run all proof harnesses"
 license = "MIT OR Apache-2.0"
diff --git a/kani_metadata/Cargo.toml b/kani_metadata/Cargo.toml
index 3cb7fa7c605e..55ebad296f99 100644
--- a/kani_metadata/Cargo.toml
+++ b/kani_metadata/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "kani_metadata"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false
diff --git a/library/kani/Cargo.toml b/library/kani/Cargo.toml
index c3658b986d93..67916aa5e2c8 100644
--- a/library/kani/Cargo.toml
+++ b/library/kani/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "kani"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false
diff --git a/library/kani_macros/Cargo.toml b/library/kani_macros/Cargo.toml
index dc36a6d16284..7e194c0f2af9 100644
--- a/library/kani_macros/Cargo.toml
+++ b/library/kani_macros/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "kani_macros"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false
diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml
index d604ff6b9a47..bb7ff107bee4 100644
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -5,7 +5,7 @@
 # Note: this package is intentionally named std to make sure the names of
 # standard library symbols are preserved
 name = "std"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false
diff --git a/tests/perf/s2n-quic b/tests/perf/s2n-quic
index f1df2d64083e..bddeb95f9d4f 160000
--- a/tests/perf/s2n-quic
+++ b/tests/perf/s2n-quic
@@ -1 +1 @@
-Subproject commit f1df2d64083e4d1b0f56dc0a298066fdef062bcb
+Subproject commit bddeb95f9d4f2ed7117fa3f302846c376d83d4ca
diff --git a/tools/build-kani/Cargo.toml b/tools/build-kani/Cargo.toml
index cb17e13b3c99..bdca71ce8b09 100644
--- a/tools/build-kani/Cargo.toml
+++ b/tools/build-kani/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "build-kani"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 description = "Builds Kani, Sysroot and release bundle."
 license = "MIT OR Apache-2.0"