diff --git a/Cargo.toml b/Cargo.toml
index 8450526e9..a21f240db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,6 +51,9 @@ tracing-futures = "0.2.4"
 tracing-subscriber = { version = "0.3.3", features = ["env-filter"] }
 validit = { version = "0.2.2" }
 
+# make minimal versions happy
+rust_decimal = "1.15"
+
 [workspace]
 
 resolver = "2"
diff --git a/openraft/Cargo.toml b/openraft/Cargo.toml
index cdc5fe670..142c12073 100644
--- a/openraft/Cargo.toml
+++ b/openraft/Cargo.toml
@@ -33,6 +33,9 @@ tracing         = { workspace = true }
 tracing-futures = { workspace = true }
 validit         = { workspace = true }
 
+# make minimal versions happy
+rust_decimal    = { workspace = true }
+
 
 [dev-dependencies]
 anyhow             = { workspace = true }