diff --git a/Cargo.lock b/Cargo.lock
index daf7b2c..599eae8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,16 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "Inflector"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
+dependencies = [
+ "lazy_static",
+ "regex",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -63,6 +73,41 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "darling"
+version = "0.20.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54e36fcd13ed84ffdfda6f5be89b31287cbb80c439841fe69e04841435464391"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.20.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c2cf1c23a687a1feeb728783b993c4e1ad83d99f351801977dd809b48d0a70f"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 2.0.52",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.20.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a668eda54683121533a393014d8692171709ff57a7d61f187b6e782719f8933f"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 2.0.52",
+]
+
 [[package]]
 name = "either"
 version = "1.10.0"
@@ -70,15 +115,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
 
 [[package]]
-name = "getrandom"
-version = "0.2.12"
+name = "equivalent"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "glob"
@@ -86,6 +132,29 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
+[[package]]
+name = "indexmap"
+version = "2.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+ "serde",
+]
+
 [[package]]
 name = "itertools"
 version = "0.12.1"
@@ -168,85 +237,103 @@ name = "mrml"
 version = "0.1.0"
 dependencies = [
  "magnus",
- "mrml 1.2.11",
+ "mrml 3.0.4",
  "serde",
  "serde_json",
 ]
 
 [[package]]
 name = "mrml"
-version = "1.2.11"
+version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a21c524cad4503cd722fb13286c5199914f2786280733d947d623cbdcb5e6437"
+checksum = "11090cceb14c2eaf9d10c1503937b3a53323f322c475f409c1e51a0d86949a8d"
 dependencies = [
- "rand",
+ "indexmap",
+ "mrml-json-macros",
+ "mrml-macros",
+ "mrml-print-macros",
+ "rustc-hash",
  "serde",
  "serde_json",
+ "thiserror",
  "xmlparser",
 ]
 
 [[package]]
-name = "nom"
-version = "7.1.3"
+name = "mrml-common-macros"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+checksum = "c141a78933cb6151e19b1d3daacfd5d2903bc1caf96f6424b6eccc48ca8ce00f"
 dependencies = [
- "memchr",
- "minimal-lexical",
+ "syn 2.0.52",
 ]
 
 [[package]]
-name = "ppv-lite86"
-version = "0.2.17"
+name = "mrml-json-macros"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+checksum = "7f95ec01fb63c45d3efecf90aba38b8fbeb53e879d6a7c536f870bc0559ac00b"
+dependencies = [
+ "Inflector",
+ "darling",
+ "mrml-common-macros",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.52",
+]
 
 [[package]]
-name = "proc-macro2"
-version = "1.0.78"
+name = "mrml-macros"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
+checksum = "573a6a8f4b79efc885ff5eaead81be779c8a948792d4bc5aea7979616a2141f2"
 dependencies = [
- "unicode-ident",
+ "Inflector",
+ "mrml-common-macros",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.52",
 ]
 
 [[package]]
-name = "quote"
-version = "1.0.35"
+name = "mrml-print-macros"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
+checksum = "2a8afc55347b59aa867594a9c13a46122ab04872580a8c1055d59853666fc971"
 dependencies = [
+ "darling",
+ "mrml-common-macros",
  "proc-macro2",
+ "quote",
+ "syn 2.0.52",
 ]
 
 [[package]]
-name = "rand"
-version = "0.8.5"
+name = "nom"
+version = "7.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
 dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
+ "memchr",
+ "minimal-lexical",
 ]
 
 [[package]]
-name = "rand_chacha"
-version = "0.3.1"
+name = "proc-macro2"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
- "ppv-lite86",
- "rand_core",
+ "unicode-ident",
 ]
 
 [[package]]
-name = "rand_core"
-version = "0.6.4"
+name = "quote"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
 dependencies = [
- "getrandom",
+ "proc-macro2",
 ]
 
 [[package]]
@@ -363,6 +450,12 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -386,16 +479,30 @@ dependencies = [
 ]
 
 [[package]]
-name = "unicode-ident"
-version = "1.0.12"
+name = "thiserror"
+version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+checksum = "1e45bcbe8ed29775f228095caf2cd67af7a4ccf756ebff23a306bf3e8b47b24b"
+dependencies = [
+ "thiserror-impl",
+]
 
 [[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+name = "thiserror-impl"
+version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "a953cb265bef375dae3de6663da4d3804eee9682ea80d8e2542529b73c531c81"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.52",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
 [[package]]
 name = "windows-targets"
diff --git a/ext/mrml/Cargo.toml b/ext/mrml/Cargo.toml
index a027b64..1c93470 100644
--- a/ext/mrml/Cargo.toml
+++ b/ext/mrml/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Jonian Guveli <jonian@hardpixel.eu>"]
 edition = "2018"
 
 [dependencies]
-mrml = "1.2"
+mrml = "3.0"
 magnus = "0.5"
 
 [dependencies.serde]
diff --git a/ext/mrml/src/lib.rs b/ext/mrml/src/lib.rs
index eff9476..2446773 100644
--- a/ext/mrml/src/lib.rs
+++ b/ext/mrml/src/lib.rs
@@ -4,9 +4,9 @@ use magnus::{
   Error, ExceptionClass, RModule
 };
 
-use mrml::mjml::MJML;
+use mrml::mjml::Mjml;
 use mrml::prelude::print::Print;
-use mrml::prelude::render::Options;
+use mrml::prelude::render::RenderOptions;
 
 fn mrml_error() -> ExceptionClass {
   *memoize!(ExceptionClass: {
@@ -24,7 +24,7 @@ macro_rules! error {
 
 #[magnus::wrap(class = "MRML::Template", free_immediately, size)]
 struct Template {
-  res: MJML
+  res: Mjml
 }
 
 impl Template {
@@ -36,7 +36,7 @@ impl Template {
   }
 
   fn from_json(input: String) -> Result<Self, Error> {
-    match serde_json::from_str::<MJML>(&input) {
+    match serde_json::from_str::<Mjml>(&input) {
       Ok(res) => Ok(Self { res }),
       Err(ex) => Err(error!(ex))
     }
@@ -62,7 +62,7 @@ impl Template {
   }
 
   fn to_html(&self) -> Result<String, Error> {
-    match self.res.render(&Options::default()) {
+    match self.res.render(&RenderOptions::default()) {
       Ok(res) => Ok(res),
       Err(ex) => Err(error!(ex))
     }