diff --git a/Cargo.lock b/Cargo.lock
index 1b92a6b76..fdfab474f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -305,9 +305,9 @@ checksum = "82c6cbe0807294ca78d811d1e4995ddb6516c6c763c7a03493c4ba02b9e09215"
 
 [[package]]
 name = "cargo-test-support"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a816b64664799fb248c06ca28b989ee22ef6d9f83c0495e28954a56d4e9a27ba"
+checksum = "11d531c7b482c299a97cbad8f269820e57fcac21946c6aae2af362ea41600f7d"
 dependencies = [
  "anstream",
  "anstyle",
@@ -330,7 +330,7 @@ dependencies = [
  "toml",
  "url",
  "walkdir",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2286,9 +2286,9 @@ dependencies = [
 
 [[package]]
 name = "tar"
-version = "0.4.40"
+version = "0.4.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b16afcea1f22891c49a00c751c7b63b2233284064f11a200fc624137c51e2ddb"
+checksum = "c65998313f8e17d0d553d28f91a0df93e4dbbbf770279c7bc21ca0f09ea1a1f6"
 dependencies = [
  "filetime",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index 38e9fdfaa..18048ca62 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ resolver = "2"
 repository = "https://github.com/crate-ci/cargo-release"
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.79"  # MSRV
+rust-version = "1.80"  # MSRV
 include = [
   "build.rs",
   "src/**/*",
@@ -166,7 +166,7 @@ anstyle = "1.0.7"
 assert_fs = "1.1"
 predicates = "3.1"
 snapbox = "0.6.16"
-cargo-test-support = "0.3"
+cargo-test-support = "0.4"
 
 [profile.release]
 panic = "abort"
diff --git a/tests/testsuite/main.rs b/tests/testsuite/main.rs
index 21d1547c8..bc2ddfb53 100644
--- a/tests/testsuite/main.rs
+++ b/tests/testsuite/main.rs
@@ -44,7 +44,7 @@ pub trait CargoCommand {
 
 impl CargoCommand for snapbox::cmd::Command {
     fn cargo_ui() -> Self {
-        use cargo_test_support::TestEnv;
+        use cargo_test_support::TestEnvCommandExt;
         Self::new(cargo_exe())
             .with_assert(cargo_test_support::compare::assert_ui())
             .test_env()