diff --git a/Cargo.lock b/Cargo.lock
index c9542748..7df3c73f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7052,18 +7052,18 @@ dependencies = [
 
 [[package]]
 name = "snafu"
-version = "0.8.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "223891c85e2a29c3fe8fb900c1fae5e69c2e42415e3177752e8718475efa5019"
+checksum = "d1d4bced6a69f90b2056c03dcff2c4737f98d6fb9e0853493996e1d253ca29c6"
 dependencies = [
  "snafu-derive",
 ]
 
 [[package]]
 name = "snafu-derive"
-version = "0.8.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03c3c6b7927ffe7ecaa769ee0e3994da3b8cafc8f444578982c83ecb161af917"
+checksum = "54254b8531cafa275c5e096f62d48c81435d1015405a91198ddb11e967301d40"
 dependencies = [
  "heck 0.4.1",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 1642b093..40ad108e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -81,7 +81,7 @@ kstring = { version = "2.0", features = ["max_inline"] }
 itertools = "0.14"
 clap = { version = "4.5", features = ["derive"] }
 mimalloc = "0.1"
-snafu = { version = "0.8.5" }
+snafu = { version = "0.9.0" }
 colog = "1.3.0"
 
 [workspace.lints.rust]
diff --git a/prescript/src/lib.rs b/prescript/src/lib.rs
index 02bb252f..36c5bf47 100644
--- a/prescript/src/lib.rs
+++ b/prescript/src/lib.rs
@@ -43,10 +43,8 @@ pub const NOTDEF: &str = ".notdef";
 #[snafu(crate_root(crate))]
 #[snafu(whatever)]
 #[snafu(display("{message}"))]
-#[snafu(provide(opt, ref, chain, dyn std::error::Error => source.as_deref()))]
 pub struct AnyWhatever {
     #[snafu(source(from(Box<dyn Error + Send + Sync>, Some)))]
-    #[snafu(provide(false))]
     source: Option<Box<dyn Error + Send + Sync>>,
     message: String,
     backtrace: Backtrace,