diff --git a/Dockerfile b/Dockerfile
index 3b81dea..43de2e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM "elixir:1.11.2-slim"
+FROM "elixir:1.12.3-slim"
 
 ARG MIX_ENV=dev
 ENV MIX_ENV=$MIX_ENV
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get -y install cargo python procps autoconf libtool li
 
 ENV PATH=$PATH:/root/.volta/bin
 
-RUN volta install node@8.17
+RUN volta install node@16.9
 
 ADD ["package.json", "package-lock.json", "/code/"]
 
diff --git a/mix.exs b/mix.exs
index 36159ba..b338527 100644
--- a/mix.exs
+++ b/mix.exs
@@ -8,7 +8,7 @@ defmodule Eth.Mixfile do
     [
       app: :eth,
       version: @version,
-      elixir: "~> 1.11",
+      elixir: "~> 1.12",
       description: description(),
       start_permanent: Mix.env() == :prod,
       package: package(),
diff --git a/package.json b/package.json
index 1adfd45..d24d7e4 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,6 @@
     }
   },
   "volta": {
-    "node": "15.3.0"
+    "node": "16.9.1"
   }
 }