diff --git a/Cargo.lock b/Cargo.lock
index ad6f8d4a15..582dc02a78 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1115,7 +1115,7 @@ dependencies = [
  "serde-wasm-bindgen",
  "serde_json",
  "sha2",
- "signature",
+ "signature 3.0.0",
  "smol",
  "smol-macros",
  "strum",
@@ -1715,7 +1715,7 @@ dependencies = [
  "digest 0.10.7",
  "elliptic-curve",
  "rfc6979",
- "signature",
+ "signature 2.2.0",
  "spki",
 ]
 
@@ -1727,7 +1727,7 @@ checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
 dependencies = [
  "pkcs8",
  "serde",
- "signature",
+ "signature 2.2.0",
 ]
 
 [[package]]
@@ -3075,7 +3075,7 @@ dependencies = [
  "elliptic-curve",
  "once_cell",
  "sha2",
- "signature",
+ "signature 2.2.0",
 ]
 
 [[package]]
@@ -3679,7 +3679,7 @@ dependencies = [
  "p521",
  "rand_core 0.6.4",
  "serde",
- "signature",
+ "signature 2.2.0",
  "tls_codec",
  "zeroize",
 ]
@@ -4574,7 +4574,7 @@ dependencies = [
  "pkcs1",
  "pkcs8",
  "rand_core 0.6.4",
- "signature",
+ "signature 2.2.0",
  "spki",
  "subtle",
  "zeroize",
@@ -5200,6 +5200,12 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "signature"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d567dcbaf0049cb8ac2608a76cd95ff9e4412e1899d389ee400918ca7537f5"
+
 [[package]]
 name = "siphasher"
 version = "0.3.11"
@@ -5583,7 +5589,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
  "fastrand",
- "getrandom 0.3.4",
+ "getrandom 0.4.1",
  "once_cell",
  "rustix 1.1.4",
  "windows-sys 0.61.2",
@@ -7259,7 +7265,7 @@ dependencies = [
  "serde_json",
  "sha1",
  "shlex",
- "signature",
+ "signature 3.0.0",
  "spki",
  "testcontainers",
  "thiserror 2.0.18",
@@ -7395,7 +7401,7 @@ dependencies = [
  "const-oid",
  "der 0.7.10",
  "sha1",
- "signature",
+ "signature 2.2.0",
  "spki",
  "tls_codec",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 9d96e89dc7..0e455476f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -92,7 +92,7 @@ jwt-simple = { version = "0.13", git = "https://github.com/wireapp/rust-jwt-simp
 p256 = { version = "0.13", default-features = false }
 p384 = { version = "0.13", default-features = false }
 p521 = { version = "0.13", default-features = false }
-signature = { version = "2", default-features = false }
+signature = { version = "3", default-features = false }
 time = { version = "0.3", default-features = false }
 web-time = { version = "1.1.0", default-features = false }
 anyhow = { version = "1.0", default-features = false }
diff --git a/crypto/Cargo.toml b/crypto/Cargo.toml
index 2ddb039e97..04a325f4d8 100644
--- a/crypto/Cargo.toml
+++ b/crypto/Cargo.toml
@@ -61,7 +61,7 @@ sha2 = { workspace = true, features = ["oid"] }
 chacha20poly1305 = "0.10"
 hmac = "0.13"
 ed25519-dalek = { version = "2.2", features = ["pkcs8"] }
-signature = "2.2"
+signature = "3.0"
 ecdsa = { version = "0.16", features = ["der", "pkcs8"] }
 p256 = { version = "0.13", features = ["pkcs8"] }
 p384 = { version = "0.13", features = ["pkcs8"] }