diff --git a/Cargo.toml b/Cargo.toml
index 912b0d97..6c6c2661 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,9 +21,9 @@ members = [
   "xtask",
 
   "plugins/examples/gain",
-  "plugins/examples/gain-gui-egui",
-  "plugins/examples/gain-gui-iced",
-  "plugins/examples/gain-gui-vizia",
+  "plugins/examples/gain_gui_egui",
+  "plugins/examples/gain_gui_iced",
+  "plugins/examples/gain_gui_vizia",
   "plugins/examples/midi-inverter",
   "plugins/examples/sine",
   "plugins/examples/stft",
diff --git a/README.md b/README.md
index 1a227b21..b550973f 100644
--- a/README.md
+++ b/README.md
@@ -142,9 +142,9 @@ examples.
   serializable state.
 - **gain-gui** is the same plugin as gain, but with a GUI to control the
   parameter and a digital peak meter. Comes in three exciting flavors:
-  [egui](plugins/examples/gain-gui-egui),
-  [iced](plugins/examples/gain-gui-iced), and
-  [VIZIA](plugins/examples/gain-gui-vizia).
+  [egui](plugins/examples/gain_gui_egui),
+  [iced](plugins/examples/gain_gui_iced), and
+  [VIZIA](plugins/examples/gain_gui_vizia).
 - [**midi-inverter**](plugins/examples/midi-inverter) takes note/MIDI events and
   flips around the note, channel, expression, pressure, and CC values. This
   example demonstrates how to receive and output those events.
diff --git a/plugins/examples/gain-gui-egui/Cargo.toml b/plugins/examples/gain_gui_egui/Cargo.toml
similarity index 100%
rename from plugins/examples/gain-gui-egui/Cargo.toml
rename to plugins/examples/gain_gui_egui/Cargo.toml
diff --git a/plugins/examples/gain-gui-egui/src/lib.rs b/plugins/examples/gain_gui_egui/src/lib.rs
similarity index 100%
rename from plugins/examples/gain-gui-egui/src/lib.rs
rename to plugins/examples/gain_gui_egui/src/lib.rs
diff --git a/plugins/examples/gain-gui-iced/Cargo.toml b/plugins/examples/gain_gui_iced/Cargo.toml
similarity index 100%
rename from plugins/examples/gain-gui-iced/Cargo.toml
rename to plugins/examples/gain_gui_iced/Cargo.toml
diff --git a/plugins/examples/gain-gui-iced/src/editor.rs b/plugins/examples/gain_gui_iced/src/editor.rs
similarity index 100%
rename from plugins/examples/gain-gui-iced/src/editor.rs
rename to plugins/examples/gain_gui_iced/src/editor.rs
diff --git a/plugins/examples/gain-gui-iced/src/lib.rs b/plugins/examples/gain_gui_iced/src/lib.rs
similarity index 100%
rename from plugins/examples/gain-gui-iced/src/lib.rs
rename to plugins/examples/gain_gui_iced/src/lib.rs
diff --git a/plugins/examples/gain-gui-vizia/Cargo.toml b/plugins/examples/gain_gui_vizia/Cargo.toml
similarity index 100%
rename from plugins/examples/gain-gui-vizia/Cargo.toml
rename to plugins/examples/gain_gui_vizia/Cargo.toml
diff --git a/plugins/examples/gain-gui-vizia/src/editor.rs b/plugins/examples/gain_gui_vizia/src/editor.rs
similarity index 100%
rename from plugins/examples/gain-gui-vizia/src/editor.rs
rename to plugins/examples/gain_gui_vizia/src/editor.rs
diff --git a/plugins/examples/gain-gui-vizia/src/lib.rs b/plugins/examples/gain_gui_vizia/src/lib.rs
similarity index 100%
rename from plugins/examples/gain-gui-vizia/src/lib.rs
rename to plugins/examples/gain_gui_vizia/src/lib.rs