diff --git a/.cargo/config.toml b/.cargo/config.toml
index fb871b1b..5793637b 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,2 +1,5 @@
+[unstable]
+json-target-spec = true
+
 [build]
 target = "x86_64-bootloader.json"
diff --git a/Cargo.lock b/Cargo.lock
index 2ae5e943..571a0ceb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,7 +16,7 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bootloader"
-version = "0.9.33"
+version = "0.9.34"
 dependencies = [
  "bit_field",
  "fixedvec",
diff --git a/Cargo.toml b/Cargo.toml
index ff021934..2cf4eb8e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bootloader"
-version = "0.9.33"
+version = "0.9.34"
 authors = ["Philipp Oppermann <dev@phil-opp.com>"]
 license = "MIT/Apache-2.0"
 description = "An experimental pure-Rust x86 bootloader."
diff --git a/Changelog.md b/Changelog.md
index 9c0d88ca..b657bdf9 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,11 @@
 # Unreleased
 
+# 0.9.34 – 2026-02-01
+
+This release is compatible with Rust nightlies starting with `nightly-2025-02-01`.
+
+- [Enable json-target-spec](https://github.com/rust-osdev/bootloader/pull/537)
+
 # 0.9.33 – 2025-09-03
 
 This release is compatible with Rust nightlies starting with `nightly-2025-08-28`.
diff --git a/example-kernel/.cargo/config.toml b/example-kernel/.cargo/config.toml
index ab792469..b3fe1d50 100644
--- a/example-kernel/.cargo/config.toml
+++ b/example-kernel/.cargo/config.toml
@@ -1,2 +1,5 @@
+[unstable]
+json-target-spec = true
+
 [build]
 target = "x86_64-example-kernel.json"
diff --git a/test-kernel/.cargo/config.toml b/test-kernel/.cargo/config.toml
index 92e8659b..0683ca2d 100644
--- a/test-kernel/.cargo/config.toml
+++ b/test-kernel/.cargo/config.toml
@@ -1,2 +1,5 @@
+[unstable]
+json-target-spec = true
+
 [build]
 target = "x86_64-test-kernel.json"