diff --git a/rtic-macros/Cargo.toml b/rtic-macros/Cargo.toml
index 62734ee795..4649850cb8 100644
--- a/rtic-macros/Cargo.toml
+++ b/rtic-macros/Cargo.toml
@@ -40,7 +40,7 @@ cortex-m-basepri = []
 test-template = []
 
 [dependencies]
-indexmap = "1.9.2"
+indexmap = "2.0.0"
 proc-macro2 = "1.0.49"
 proc-macro-error = "1.0.4"
 quote = "1.0.23"