--- a/Cargo.toml
+++ b/Cargo.toml
@@ -85,10 +85,10 @@
 version = "7.0"
 
 [dependencies.rustc-hash]
-version = "2.1"
+version = "2.0"
 
 [dependencies.self_cell]
-version = "1.2"
+version = "1.1"
 
 [dependencies.smallvec]
 version = "1.13"
@@ -103,7 +103,7 @@
 version = "0.1"
 
 [dev-dependencies.rand]
-version = "0.9"
+version = "0.8"
 
 [dev-dependencies.serde]
 version = "1.0"