diff --git a/Cargo.toml b/Cargo.toml
index c1818bc9..006c4577 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -67,5 +67,11 @@ inherits = "release"
 opt-level = "s"
 lto = true
 
+[profile.test.package.proptest]
+opt-level = 3
+
+[profile.test.package.rand_chacha]
+opt-level = 3
+
 [patch.crates-io]
 softbuffer = { git = "https://github.com/CBenoit/softbuffer.git", rev = "8a9e7f95e054f9af5752682aa5f27890aeb1b094" }