diff --git a/Cargo.toml b/Cargo.toml
index b976757..c41e36b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ log = "0.4.17"
 time = "0.3.16"
 url = "2.3.1"
 
-indexmap = { version = "2.0.0", optional = true }
+indexmap = { version = "2.6.0", optional = true }
 
 publicsuffix = { version = "2.2.3", optional = true }