diff --git a/crates/esplora/Cargo.toml b/crates/esplora/Cargo.toml
index a052916a7..b47a351e7 100644
--- a/crates/esplora/Cargo.toml
+++ b/crates/esplora/Cargo.toml
@@ -20,6 +20,7 @@ bdk_core = { path = "../core", version = "0.6.1", default-features = false }
 esplora-client = { version = "0.12.1", default-features = false }
 async-trait = { version = "0.1.66", optional = true }
 futures = { version = "0.3.26", optional = true }
+serde_json = { version = "1.0", features = ["alloc"] }
 
 [dev-dependencies]
 esplora-client = { version = "0.12.0" }
diff --git a/examples/example_cli/Cargo.toml b/examples/example_cli/Cargo.toml
index 0a467db84..7c9629288 100644
--- a/examples/example_cli/Cargo.toml
+++ b/examples/example_cli/Cargo.toml
@@ -15,4 +15,4 @@ anyhow = "1"
 clap = { version = "4.5.17", features = ["derive", "env"] }
 rand = "0.8"
 serde = { version = "1", features = ["derive"] }
-serde_json = "1.0"
+serde_json = { version = "1.0", features = ["alloc"] }