diff --git a/bin-compiler/Cargo.toml b/bin-compiler/Cargo.toml
index 4839196f242a3c855c128018c4906f63afd195e8..0ff506b0458350246b455ae117d70921ecfa93cb 100644
--- a/bin-compiler/Cargo.toml
+++ b/bin-compiler/Cargo.toml
@@ -6,7 +6,7 @@ authors = [
     "Christopher Esterhuyse <esterhuy@cwi.nl>",
     "Hans-Dieter Hiep <hdh@cwi.nl>"
 ]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 reowolf_rs = { path = "../" }