diff --git a/Cargo.toml b/Cargo.toml
index 4f57c9def534e297aaefd672b0a61311cd1169cb..439ed720b7835de6cef38536bf1bb861a0b244fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,56 @@ sctk-adwaita = { path = "vendor/sctk-adwaita" }
 lto = "fat"
 codegen-units = 1
 
+# Code that runs at a person's pace, not a frame's: system services, the network, file and
+# image formats, shader translation.
+[profile.release.package]
+accesskit.opt-level = "s"
+accesskit_atspi_common.opt-level = "s"
+accesskit_consumer.opt-level = "s"
+accesskit_macos.opt-level = "s"
+accesskit_unix.opt-level = "s"
+accesskit_windows.opt-level = "s"
+accesskit_winit.opt-level = "s"
+async-executor.opt-level = "s"
+async-io.opt-level = "s"
+atspi.opt-level = "s"
+atspi-common.opt-level = "s"
+atspi-proxies.opt-level = "s"
+cab.opt-level = "s"
+gif.opt-level = "s"
+image.opt-level = "s"
+lzxd.opt-level = "s"
+mdns-sd.opt-level = "s"
+naga.opt-level = "s"
+pdf-writer.opt-level = "s"
+png.opt-level = "s"
+quick-xml.opt-level = "s"
+ring.opt-level = "s"
+roxmltree.opt-level = "s"
+rustls.opt-level = "s"
+rustls-webpki.opt-level = "s"
+serde_json.opt-level = "s"
+smb2.opt-level = "s"
+smithay-client-toolkit.opt-level = "s"
+subsetter.opt-level = "s"
+svgtypes.opt-level = "s"
+tiff.opt-level = "s"
+tokio.opt-level = "s"
+toml_edit.opt-level = "s"
+unicode_names2.opt-level = "s"
+ureq.opt-level = "s"
+ureq-proto.opt-level = "s"
+usvg.opt-level = "s"
+wayland-client.opt-level = "s"
+winit.opt-level = "s"
+x11rb.opt-level = "s"
+x11rb-protocol.opt-level = "s"
+zbus.opt-level = "s"
+zbus_names.opt-level = "s"
+zbus_xml.opt-level = "s"
+zune-jpeg.opt-level = "s"
+zvariant.opt-level = "s"
+
 # Shaping, rasterization and GPU submission stay optimised in debug builds, where
 # unoptimised dependencies alone drop frames.
 [profile.dev.package."*"]