diff --git a/Changes.md b/Changes.md
index 79d8464..a1bcf62 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,3 +1,8 @@
+## 0.2.4
+
+- Look for just "mac" or "Mac" in a filename on macOS. Previously, `ubi` would not treat a filename
+  like "foo-mac-x86-64.tar.gz" as a match for macOS. Reported by @jdx (Jeff Dickey). GH #79.
+
 ## 0.2.3 - 2024-11-22
 
 - Fixed the code to detect whether the filename includes a version number that looks like an
diff --git a/ubi-cli/tests/ubi.rs b/ubi-cli/tests/ubi.rs
index 14a30ab..80bcced 100644
--- a/ubi-cli/tests/ubi.rs
+++ b/ubi-cli/tests/ubi.rs
@@ -411,6 +411,22 @@ fn integration_tests() -> Result<()> {
         make_exe_pathbuf(&["bin", "direnv"]),
     )?;
 
+    // This project used just "mac" in the macOS release names, which `ubi` didn't look for until
+    // 0.2.4.
+    run_test(
+        td.path(),
+        ubi.as_ref(),
+        &[
+            "--project",
+            "wren-lang/wren-cli",
+            "--tag",
+            "0.4.0",
+            "--exe",
+            "wren_cli",
+        ],
+        make_exe_pathbuf(&["bin", "wren_cli"]),
+    )?;
+
     Ok(())
 }
 
diff --git a/ubi/src/os.rs b/ubi/src/os.rs
index a442af7..12d0d06 100644
--- a/ubi/src/os.rs
+++ b/ubi/src/os.rs
@@ -19,7 +19,7 @@ pub(crate) fn linux_re() -> &'static Lazy<Regex> {
 }
 
 pub(crate) fn macos_re() -> &'static Lazy<Regex> {
-    regex!(r"(?i:(?:\b|_)(?:darwin|macos|osx)(?:\b|_))")
+    regex!(r"(?i:(?:\b|_)(?:darwin|mac(?:os)?|osx)(?:\b|_))")
 }
 
 pub(crate) fn netbsd_re() -> &'static Lazy<Regex> {
diff --git a/ubi/src/picker.rs b/ubi/src/picker.rs
index 42a5941..633ad28 100644
--- a/ubi/src/picker.rs
+++ b/ubi/src/picker.rs
@@ -468,6 +468,13 @@ mod test {
         0 ;
         "aarch64-apple-darwin - pick one asset"
     )]
+    #[test_case(
+        "aarch64-apple-darwin",
+        &["project-Linux-x86-64.tar.gz", "project-Mac-x86-64.tar.gz"],
+        None,
+        1 ;
+        "aarch64-apple-darwin - pick asset with 'mac' in the name"
+    )]
     #[test_case(
         "aarch64-apple-darwin",
         &["project-Macos-x86-64.tar.gz", "project-Macos-aarch64.tar.gz"],