diff --git a/native/mjml_nif/Cargo.lock b/native/mjml_nif/Cargo.lock
index e219d46..754f93c 100644
--- a/native/mjml_nif/Cargo.lock
+++ b/native/mjml_nif/Cargo.lock
@@ -148,9 +148,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustler"
-version = "0.30.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4b4fea69e23de68c42c06769d6624d2d018da550c17244dd4b691f90ced4a7e"
+checksum = "a75d458f38f550976d0e4b347ca57241c192019777e46af7af73b27783287088"
 dependencies = [
  "lazy_static",
  "rustler_codegen",
@@ -159,9 +159,9 @@ dependencies = [
 
 [[package]]
 name = "rustler_codegen"
-version = "0.30.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "406061bd07aaf052c344257afed4988c5ec8efe4d2352b4c2cf27ea7c8575b12"
+checksum = "dbd46408f51c0ca6a68dc36aa4f90e3554960bd1b7cc513e6ff2ccad7dd92aff"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -171,9 +171,9 @@ dependencies = [
 
 [[package]]
 name = "rustler_sys"
-version = "2.3.0"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b311902a5c224452d0d8e1821a4b682d43f58248a2c559f613a7b52e0980075"
+checksum = "ff76ba8524729d7c9db2b3e80f2269d1fdef39b5a60624c33fd794797e69b558"
 dependencies = [
  "regex",
  "unreachable",
diff --git a/native/mjml_nif/Cargo.toml b/native/mjml_nif/Cargo.toml
index 42c90ab..2368a47 100644
--- a/native/mjml_nif/Cargo.toml
+++ b/native/mjml_nif/Cargo.toml
@@ -10,7 +10,7 @@ path = "src/lib.rs"
 crate-type = ["cdylib"]
 
 [dependencies]
-rustler = "0.30.0"
+rustler = "0.31.0"
 mrml = { version = "3.0", default-features = false, features = ["parse", "render", "orderedmap"] }
 
 [features]