diff --git a/Cargo.lock b/Cargo.lock
index ea59bcf..82cc16c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1853,7 +1853,7 @@ dependencies = [
  "note-relay",
  "serde",
  "serde_json",
- "sha2 0.10.9",
+ "sha2 0.11.0",
  "thiserror 2.0.19",
  "tokio",
  "tokio-tungstenite 0.30.0",
@@ -1883,7 +1883,7 @@ dependencies = [
  "rusqlite",
  "serde",
  "serde_json",
- "sha2 0.10.9",
+ "sha2 0.11.0",
  "thiserror 2.0.19",
  "tokio",
  "tokio-tungstenite 0.30.0",
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 7639179..5bc98ca 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -14,7 +14,7 @@ serde_json.workspace = true
 thiserror.workspace = true
 automerge.workspace = true
 chacha20poly1305.workspace = true
-sha2 = "0.10"
+sha2 = "0.11"
 argon2.workspace = true
 ed25519-dalek.workspace = true
 getrandom.workspace = true
diff --git a/relay/Cargo.toml b/relay/Cargo.toml
index 83dfbd1..d785d07 100644
--- a/relay/Cargo.toml
+++ b/relay/Cargo.toml
@@ -26,7 +26,7 @@ ed25519-dalek.workspace = true
 base64.workspace = true
 hex.workspace = true
 getrandom.workspace = true
-sha2 = "0.10"
+sha2 = "0.11"
 rusqlite = { version = "0.32", features = ["bundled"] }
 
 [dev-dependencies]