diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a261600..e8a7da0b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.9.0] - 2024-01-25
+
+### Features
+
+- Add FHIR STU3 -- thanks @jarimayenburg
+
 ## [0.8.0] - 2024-01-14
 
 ### Features
diff --git a/Cargo.lock b/Cargo.lock
index 7033edc6..b50f94d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -313,18 +313,18 @@ dependencies = [
 
 [[package]]
 name = "derive_builder"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d67778784b508018359cbc8696edb3db78160bab2c2a28ba7f56ef6932997f8"
+checksum = "660047478bc508c0fde22c868991eec0c40a63e48d610befef466d48e2bee574"
 dependencies = [
  "derive_builder_macro",
 ]
 
 [[package]]
 name = "derive_builder_core"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c11bdc11a0c47bc7d37d582b5285da6849c96681023680b906673c5707af7b0f"
+checksum = "9b217e6dd1011a54d12f3b920a411b5abd44b1716ecfe94f5f2f2f7b52e08ab7"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -334,9 +334,9 @@ dependencies = [
 
 [[package]]
 name = "derive_builder_macro"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebcda35c7a396850a55ffeac740804b40ffec779b98fffbb1738f4033f0ee79e"
+checksum = "7a5f77d7e20ac9153428f7ca14a88aba652adfc7a0ef0a06d654386310ef663b"
 dependencies = [
  "derive_builder_core",
  "syn 1.0.109",
@@ -385,7 +385,7 @@ checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
 
 [[package]]
 name = "fhir-model"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "assert-json-diff",
  "base64",
@@ -397,7 +397,7 @@ dependencies = [
 
 [[package]]
 name = "fhir-sdk"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "async-trait",
  "eyre",
diff --git a/crates/fhir-model/Cargo.toml b/crates/fhir-model/Cargo.toml
index 22673c49..1af5ae50 100644
--- a/crates/fhir-model/Cargo.toml
+++ b/crates/fhir-model/Cargo.toml
@@ -11,7 +11,7 @@ license = "MIT"
 name = "fhir-model"
 readme = "README.md"
 repository = "https://github.com/FlixCoder/fhir-sdk"
-version = "0.7.0"
+version = "0.8.0"
 
 [lints]
 workspace = true
@@ -25,7 +25,7 @@ r5 = []
 
 [dependencies]
 base64 = "0.21.3"
-derive_builder = {version = "0.12.0", optional = true}
+derive_builder = {version = "0.13.0", optional = true}
 serde = {version = "1.0.158", features = ["derive"]}
 time = { version = "0.3.27", features = [
     "formatting",
diff --git a/crates/fhir-sdk/Cargo.toml b/crates/fhir-sdk/Cargo.toml
index 412c2a2c..acad1975 100644
--- a/crates/fhir-sdk/Cargo.toml
+++ b/crates/fhir-sdk/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT"
 name = "fhir-sdk"
 readme = "README.md"
 repository = "https://github.com/FlixCoder/fhir-sdk"
-version = "0.8.0"
+version = "0.9.0"
 
 [lints]
 workspace = true
@@ -30,14 +30,14 @@ client = [
 	"dep:uuid",
 ]
 builders = ["fhir-model/builders"]
+stu3 = ["fhir-model/stu3"]
 r4b = ["fhir-model/r4b"]
 r5 = ["fhir-model/r5"]
-stu3 = ["fhir-model/stu3"]
 docs = []
 
 [dependencies]
 async-trait = {version = "0.1.68", optional = true}
-fhir-model = {path = "../fhir-model", version = "0.7.0", default-features = false}
+fhir-model = {path = "../fhir-model", version = "0.8.0", default-features = false}
 futures = {version = "0.3.28", optional = true}
 reqwest = {version = "0.11.16", features = ["json"], optional = true}
 serde = {version = "1.0.159", optional = true}