diff --git a/Cargo.toml b/Cargo.toml
index 7731c48..e4fd061 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ lnd_grpc_rust = "2.9.0"
 reqwest = "0.12.12"
 webpki = "0.22.4"
 sha2 = "0.10.8"
-nostr = "0.39.0"
+nostr = "0.40.0"
 tokio = "1.42.0"
 idna = "1.0.0"
 
diff --git a/crates/Cargo.toml b/crates/Cargo.toml
index f075136..6a3022f 100644
--- a/crates/Cargo.toml
+++ b/crates/Cargo.toml
@@ -8,5 +8,5 @@ lnd_grpc_rust = "2.8.0"
 reqwest = "0.12.8"
 webpki = "0.22.4"
 sha2 = "0.10.8"
-nostr = "0.39.0"
+nostr = "0.40.0"
 tokio = "1.41.1"
\ No newline at end of file
diff --git a/example/Cargo.toml b/example/Cargo.toml
index d3a6f16..cce3966 100644
--- a/example/Cargo.toml
+++ b/example/Cargo.toml
@@ -5,4 +5,4 @@ edition = "2021"
 
 [dependencies]
 lnd-grpc-tonic-client = "0.3.0"
-nostr = "0.39.0"
+nostr = "0.40.0"
diff --git a/nostr/Cargo.toml b/nostr/Cargo.toml
index 59515e6..976f711 100644
--- a/nostr/Cargo.toml
+++ b/nostr/Cargo.toml
@@ -5,4 +5,4 @@ edition = "2021"
 
 [dependencies]
 lnd-grpc-tonic-client = "0.3.0"
-nostr = "0.39.0"
\ No newline at end of file
+nostr = "0.40.0"
\ No newline at end of file