diff --git a/Cargo.lock b/Cargo.lock
index aff404981366..c5c79392d1b0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -777,12 +777,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "diff"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
-
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -2192,10 +2186,10 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "handlebars",
- "pretty_assertions",
  "pulldown-cmark",
  "same-file",
  "serde_json",
+ "snapbox",
  "url",
 ]
 
@@ -2622,16 +2616,6 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
-[[package]]
-name = "pretty_assertions"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af7cee1a6c8a5b9208b3cb1061f10c0cb689087b3d8ce85fb9d2dd7a29b6ba66"
-dependencies = [
- "diff",
- "yansi",
-]
-
 [[package]]
 name = "primeorder"
 version = "0.13.2"
@@ -3902,12 +3886,6 @@ dependencies = [
  "toml_edit 0.21.0",
 ]
 
-[[package]]
-name = "yansi"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
-
 [[package]]
 name = "zeroize"
 version = "1.6.0"
diff --git a/crates/mdman/Cargo.toml b/crates/mdman/Cargo.toml
index 95adc0cb158c..4e86b8e1a683 100644
--- a/crates/mdman/Cargo.toml
+++ b/crates/mdman/Cargo.toml
@@ -16,7 +16,7 @@ serde_json.workspace = true
 url.workspace = true
 
 [dev-dependencies]
-pretty_assertions.workspace = true
+snapbox.workspace = true
 
 [lints]
 workspace = true
diff --git a/crates/mdman/tests/compare.rs b/crates/mdman/tests/compare.rs
index 8af53ed6bd7b..916807ae14c5 100644
--- a/crates/mdman/tests/compare.rs
+++ b/crates/mdman/tests/compare.rs
@@ -1,13 +1,10 @@
 //! Compares input to expected output.
-//!
-//! Use the MDMAN_BLESS environment variable to automatically update the
-//! expected output.
 
 #![allow(clippy::disallowed_methods)]
 
-use mdman::{Format, ManMap};
-use pretty_assertions::assert_eq;
 use std::path::PathBuf;
+
+use mdman::{Format, ManMap};
 use url::Url;
 
 fn run(name: &str) {
@@ -27,14 +24,7 @@ fn run(name: &str) {
             name,
             format.extension(section)
         );
-        if std::env::var("MDMAN_BLESS").is_ok() {
-            std::fs::write(&expected_path, result).unwrap();
-        } else {
-            let expected = std::fs::read_to_string(&expected_path).unwrap();
-            // Fix if Windows checked out with autocrlf.
-            let expected = expected.replace("\r\n", "\n");
-            assert_eq!(expected, result);
-        }
+        snapbox::assert_eq_path(expected_path, result);
     }
 }
 
diff --git a/crates/mdman/tests/invalid.rs b/crates/mdman/tests/invalid.rs
index cc81d06c4271..b8be1ed24c39 100644
--- a/crates/mdman/tests/invalid.rs
+++ b/crates/mdman/tests/invalid.rs
@@ -1,9 +1,9 @@
 //! Tests for errors and invalid input.
 
-use mdman::{Format, ManMap};
-use pretty_assertions::assert_eq;
 use std::path::PathBuf;
 
+use mdman::{Format, ManMap};
+
 fn run(name: &str, expected_error: &str) {
     let input = PathBuf::from(format!("tests/invalid/{}", name));
     match mdman::convert(&input, Format::Man, None, ManMap::new()) {
@@ -11,7 +11,7 @@ fn run(name: &str, expected_error: &str) {
             panic!("expected {} to fail", name);
         }
         Err(e) => {
-            assert_eq!(expected_error, e.to_string());
+            snapbox::assert_eq(expected_error, e.to_string());
         }
     }
 }