diff --git a/crates/taplo-cli/Cargo.toml b/crates/taplo-cli/Cargo.toml
index 93c202ab5..149c7ebaf 100644
--- a/crates/taplo-cli/Cargo.toml
+++ b/crates/taplo-cli/Cargo.toml
@@ -20,7 +20,7 @@ toml-test = []
 [dependencies]
 anyhow = { version = "1", features = ["backtrace"] }
 async-ctrlc = { version = "1.2.0", features = ["stream"], optional = true }
-clap = { version = "3.0.0", features = ["derive", "cargo"] }
+clap = { version = "3.0.0", features = ["derive", "cargo", "env"] }
 codespan-reporting = "0.11.1"
 futures = "0.3"
 glob = "0.3"
diff --git a/crates/taplo-cli/src/args.rs b/crates/taplo-cli/src/args.rs
index b2d9c8e8d..d13bb171f 100644
--- a/crates/taplo-cli/src/args.rs
+++ b/crates/taplo-cli/src/args.rs
@@ -22,7 +22,7 @@ pub struct TaploArgs {
 #[derive(Clone, Args)]
 pub struct GeneralArgs {
     /// Path to the Taplo configuration file.
-    #[clap(long, short)]
+    #[clap(long, short, env = "TAPLO_CONFIG")]
     pub config: Option<PathBuf>,
 
     /// Set a cache path.
diff --git a/site/site/cli/usage/configuration.md b/site/site/cli/usage/configuration.md
index dc3d52c4c..02e5b51d4 100644
--- a/site/site/cli/usage/configuration.md
+++ b/site/site/cli/usage/configuration.md
@@ -23,4 +23,4 @@ The available log levels:
 
 <!-- TODO: config link -->
 
-Taplo CLI by default searches for a Taplo config file in the current working directory, this behaviour can be disabled by either supplying `--no-auto-config` or `--config <path>` flags.
+Taplo CLI, by default, searches the current working directory for a Taplo configuration file. This behaviour can be disabled by either supplying `--no-auto-config` or `--config <path>` flags. The `TAPLO_CONFIG` environmental variable can also be used to set the configuration, but the `--config` flag will take precedence.