diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d937e3..f4368f8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,8 +13,8 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        elixir: ["1.12", "1.13", "1.14"]
-        otp: ["23", "24", "25"]
+        elixir: ["1.12", "1.13", "1.14", "1.15"]
+        otp: ["23", "24", "25", "26"]
         rust: ["stable"]
         exclude:
           - elixir: "1.14"
@@ -23,6 +23,12 @@ jobs:
             otp: "25"
           - elixir: "1.12"
             otp: "25"
+          - elixir: "1.12"
+            otp: "26"
+          - elixir: "1.13"
+            otp: "26"
+          - elixir: "1.15"
+            otp: "23"
 
     steps:
       - name: Checkout code
diff --git a/mix.exs b/mix.exs
index 08c06ea..98dddfc 100644
--- a/mix.exs
+++ b/mix.exs
@@ -29,7 +29,7 @@ defmodule MixBlake3.Project do
 
   defp deps do
     [
-      {:rustler, "~> 0.22"},
+      {:rustler, "~> 0.30"},
       {:ex_doc, "~> 0.21", only: [:dev, :test], runtime: false}
     ]
   end
diff --git a/mix.lock b/mix.lock
index 72df977..bc05981 100644
--- a/mix.lock
+++ b/mix.lock
@@ -2,11 +2,11 @@
   "earmark": {:hex, :earmark, "1.4.3", "364ca2e9710f6bff494117dbbd53880d84bebb692dafc3a78eb50aa3183f2bfd", [:mix], [], "hexpm", "8cf8a291ebf1c7b9539e3cddb19e9cef066c2441b1640f13c34c1d3cfc825fec"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.31", "a93921cdc6b9b869f519213d5bc79d9e218ba768d7270d46fdcf1c01bacff9e2", [:mix], [], "hexpm", "317d367ee0335ef037a87e46c91a2269fef6306413f731e8ec11fc45a7efd059"},
   "ex_doc": {:hex, :ex_doc, "0.29.4", "6257ecbb20c7396b1fe5accd55b7b0d23f44b6aa18017b415cb4c2b91d997729", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "2c6699a737ae46cb61e4ed012af931b57b699643b24dabe2400a8168414bc4f5"},
-  "jason": {:hex, :jason, "1.4.0", "e855647bc964a44e2f67df589ccf49105ae039d4179db7f6271dfd3843dc27e6", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "79a3791085b2a0f743ca04cec0f7be26443738779d09302e01318f97bdb82121"},
+  "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
   "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
   "makeup_elixir": {:hex, :makeup_elixir, "0.16.1", "cc9e3ca312f1cfeccc572b37a09980287e243648108384b97ff2b76e505c3555", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "e127a341ad1b209bd80f7bd1620a15693a9908ed780c3b763bccf7d200c767c6"},
   "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.3.0", "9e18a119d9efc3370a3ef2a937bf0b24c088d9c4bf0ba9d7c3751d49d347d035", [:mix], [], "hexpm", "7977f183127a7cbe9346981e2f480dc04c55ffddaef746bd58debd566070eef8"},
-  "rustler": {:hex, :rustler, "0.22.2", "f92d6dba71bef6fe5f0d955649cb071127adc92f32a78890e8fa9939e59a1b41", [:mix], [{:jason, "~> 1.2", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.5.2", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "56b129141e86d60a2d670af9a2b55a9071e10933ef593034565af77e84655118"},
-  "toml": {:hex, :toml, "0.5.2", "e471388a8726d1ce51a6b32f864b8228a1eb8edc907a0edf2bb50eab9321b526", [:mix], [], "hexpm", "f1e3dabef71fb510d015fad18c0e05e7c57281001141504c6b69d94e99750a07"},
+  "rustler": {:hex, :rustler, "0.30.0", "cefc49922132b072853fa9b0ca4dc2ffcb452f68fb73b779042b02d545e097fb", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "9ef1abb6a7dda35c47cfc649e6a5a61663af6cf842a55814a554a84607dee389"},
+  "toml": {:hex, :toml, "0.7.0", "fbcd773caa937d0c7a02c301a1feea25612720ac3fa1ccb8bfd9d30d822911de", [:mix], [], "hexpm", "0690246a2478c1defd100b0c9b89b4ea280a22be9a7b313a8a058a2408a2fa70"},
 }
diff --git a/native/blake3/Cargo.lock b/native/blake3/Cargo.lock
index 2d170cb..89b87af 100644
--- a/native/blake3/Cargo.lock
+++ b/native/blake3/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "arrayref"
 version = "0.3.7"
@@ -163,12 +172,9 @@ dependencies = [
 
 [[package]]
 name = "heck"
-version = "0.3.3"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
-dependencies = [
- "unicode-segmentation",
-]
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
 [[package]]
 name = "hermit-abi"
@@ -191,6 +197,12 @@ version = "0.2.141"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
 
+[[package]]
+name = "memchr"
+version = "2.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+
 [[package]]
 name = "memoffset"
 version = "0.8.0"
@@ -250,11 +262,40 @@ dependencies = [
  "num_cpus",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "rustler"
-version = "0.22.2"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08281b5931d395414fe2e3e786d4b21dbcffc18d848d542d8a2da03026cb7cb8"
+checksum = "c4b4fea69e23de68c42c06769d6624d2d018da550c17244dd4b691f90ced4a7e"
 dependencies = [
  "lazy_static",
  "rustler_codegen",
@@ -263,9 +304,9 @@ dependencies = [
 
 [[package]]
 name = "rustler_codegen"
-version = "0.22.2"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96f4adf61752ab8c56df102591ff97c93d4e5c7a9ff04b82cdfa85dfa072544c"
+checksum = "406061bd07aaf052c344257afed4988c5ec8efe4d2352b4c2cf27ea7c8575b12"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -275,10 +316,11 @@ dependencies = [
 
 [[package]]
 name = "rustler_sys"
-version = "2.1.1"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cb382fde4f421c51555919e9920b058c0286f6bf59e53d02eb4d281eae6758b"
+checksum = "0a7c0740e5322b64e2b952d8f0edce5f90fcf6f6fe74cca3f6e78eb3de5ea858"
 dependencies = [
+ "regex",
  "unreachable",
 ]
 
@@ -302,9 +344,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+checksum = "a6f671d4b5ffdb8eadec19c0ae67fe2639df8684bd7bc4b83d986b8db549cf01"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -323,12 +365,6 @@ version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
-
 [[package]]
 name = "unreachable"
 version = "1.0.0"
diff --git a/native/blake3/Cargo.toml b/native/blake3/Cargo.toml
index 4aeaab0..63d1d7d 100644
--- a/native/blake3/Cargo.toml
+++ b/native/blake3/Cargo.toml
@@ -13,7 +13,7 @@ path = "src/lib.rs"
 crate_type = ["cdylib"]
 
 [dependencies]
-rustler = "0.22"
-rustler_codegen = "0.22"
+rustler = "0.30"
+rustler_codegen = "0.30"
 bincode = "1.3"
 blake3 = "1.0"