diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f0a03d7..4d064baa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+## [0.1.0-alpha.6] - 2021-08-07
+
+- [Fix "Failed to load coverage" error when together used with trybuild.](https://github.com/taiki-e/cargo-llvm-cov/pull/49)
+
 ## [0.1.0-alpha.5] - 2021-08-07
 
 - [Support Windows.](https://github.com/taiki-e/cargo-llvm-cov/pull/41)
diff --git a/src/main.rs b/src/main.rs
index 2ce97677..17b9b89a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -176,6 +176,7 @@ fn object_files(cx: &Context) -> Result<Vec<OsString>> {
         trybuild_target.push(target);
     }
     trybuild_target.push("debug");
+    fs::remove_dir_all(trybuild_target.join("incremental"))?;
     if trybuild_target.is_dir() {
         let mut trybuild_projects = vec![];
         for entry in fs::read_dir(trybuild_dir)?.filter_map(Result::ok) {