diff --git a/Cargo.lock b/Cargo.lock
index 340b0619..cccd91bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3240,7 +3240,7 @@ dependencies = [
  "committable",
  "custom_debug 0.6.1",
  "derivative",
- "derive_more 0.99.18",
+ "derive_more 1.0.0",
  "either",
  "espresso-macros",
  "futures",
diff --git a/Cargo.toml b/Cargo.toml
index c535755f..0228bada 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -72,7 +72,7 @@ chrono = "0.4"
 committable = "0.2"
 custom_debug = "0.6"
 derivative = "2.2"
-derive_more = "0.99"
+derive_more = "1.0"
 either = "1.12"
 futures = "0.3"
 hotshot = { git = "https://github.com/EspressoSystems/HotShot.git", tag = "0.5.73" }