diff --git a/Cargo.lock b/Cargo.lock
index 879a09fa7..539d1ca0d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -350,6 +350,18 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "cargo-config2"
+version = "0.1.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3795d3a48839a46854805f56c8fe9c558f10804bcf57df53925ca843d87c788f"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "toml",
+ "windows-sys 0.61.0",
+]
+
 [[package]]
 name = "cargo-dist"
 version = "0.30.2"
@@ -364,6 +376,7 @@ dependencies = [
  "base64",
  "blake2",
  "camino",
+ "cargo-config2",
  "cargo-dist-schema",
  "cargo-wix",
  "cargo_metadata 0.23.0",
diff --git a/cargo-dist/Cargo.toml b/cargo-dist/Cargo.toml
index 933d6c47c..3e99072a6 100644
--- a/cargo-dist/Cargo.toml
+++ b/cargo-dist/Cargo.toml
@@ -72,6 +72,7 @@ current_platform.workspace = true
 color-backtrace.workspace = true
 backtrace.workspace = true
 schemars.workspace = true
+cargo-config2 = "0.1.36"
 
 [dev-dependencies]
 insta.workspace = true
diff --git a/cargo-dist/src/build/cargo.rs b/cargo-dist/src/build/cargo.rs
index c3d0be405..fbfd6c579 100644
--- a/cargo-dist/src/build/cargo.rs
+++ b/cargo-dist/src/build/cargo.rs
@@ -70,7 +70,22 @@ impl<'a> DistGraphBuilder<'a> {
         let mut builds = vec![];
         for (target_triple, binaries) in targets {
             let target = target_triple.parse()?;
-            let mut rustflags = std::env::var("RUSTFLAGS").unwrap_or_default();
+
+            // If RUSTFLAGS is set, use that.
+            // Otherwise, read .cargo/config.toml.
+            let mut rustflags = match std::env::var("RUSTFLAGS") {
+                Ok(rustflags) => rustflags,
+                Err(_) => {
+                    let config = cargo_config2::Config::load()?;
+                    let flags = config
+                        .rustflags(target_triple.as_str())?
+                        .unwrap_or_default();
+                    // Convert from Vec<String> to a single space-separated String.
+                    flags.flags.join(" ")
+                }
+            };
+
+            // let mut rustflags = std::env::var("RUSTFLAGS").unwrap_or_default();
 
             // FIXME: is there a more principled way for us to add things to RUSTFLAGS
             // without breaking everything. Cargo has some builtin ways like keys
diff --git a/cargo-dist/src/errors.rs b/cargo-dist/src/errors.rs
index 33f496277..50d6b2ef0 100644
--- a/cargo-dist/src/errors.rs
+++ b/cargo-dist/src/errors.rs
@@ -69,6 +69,10 @@ pub enum DistError {
     #[error(transparent)]
     TripleError(#[from] cargo_dist_schema::target_lexicon::ParseError),
 
+    /// random cargo_config2 error
+    #[error(transparent)]
+    ConfigError(#[from] cargo_config2::Error),
+
     /// A problem with a jinja template, which is always a dist bug
     #[error("Failed to render template")]
     #[diagnostic(