diff --git a/Cargo.lock b/Cargo.lock
index 25be33bd8..496a2aeda 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1387,9 +1387,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "3.0.0-rc.10"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f1880df446116126965eeec169136b2e0251dba37c6223bcc819569550edea3"
+checksum = "28d567dcbaf0049cb8ac2608a76cd95ff9e4412e1899d389ee400918ca7537f5"
 dependencies = [
  "digest",
  "rand_core 0.10.1",
diff --git a/bignp256/Cargo.toml b/bignp256/Cargo.toml
index 069c29cc3..faac176fc 100644
--- a/bignp256/Cargo.toml
+++ b/bignp256/Cargo.toml
@@ -34,7 +34,7 @@ pkcs8 = { version = "0.11", optional = true }
 primefield = { version = "0.14.0-rc.9", optional = true }
 primeorder = { version = "0.14.0-rc.9", optional = true }
 sec1 = { version = "0.8.1", optional = true }
-signature = { version = "3.0.0-rc.10", optional = true }
+signature = { version = "3.0.0", optional = true }
 
 [dev-dependencies]
 criterion = "0.7"
diff --git a/ed448-goldilocks/Cargo.toml b/ed448-goldilocks/Cargo.toml
index 96f4cfd61..be0c473f8 100644
--- a/ed448-goldilocks/Cargo.toml
+++ b/ed448-goldilocks/Cargo.toml
@@ -25,7 +25,7 @@ subtle = { version = "2.6", default-features = false }
 # optional dependencies
 ed448 = { version = "0.5.0-rc.6", optional = true, default-features = false }
 serdect = { version = "0.4", optional = true }
-signature = { version = "3.0.0-rc.10", optional = true, default-features = false, features = ["digest", "rand_core"] }
+signature = { version = "3.0.0", optional = true, default-features = false, features = ["digest", "rand_core"] }
 
 [dev-dependencies]
 criterion = { version = "0.7", default-features = false, features = ["cargo_bench_support"] }
diff --git a/k256/Cargo.toml b/k256/Cargo.toml
index 94267b825..8161986c8 100644
--- a/k256/Cargo.toml
+++ b/k256/Cargo.toml
@@ -29,7 +29,7 @@ hex-literal = { version = "1", optional = true }
 primeorder = { version = "0.14.0-rc.9", optional = true }
 serdect = { version = "0.4", optional = true, default-features = false }
 sha2 = { version = "0.11", optional = true, default-features = false }
-signature = { version = "3.0.0-rc.10", optional = true }
+signature = { version = "3.0.0", optional = true }
 
 [dev-dependencies]
 criterion = "0.7"
diff --git a/sm2/Cargo.toml b/sm2/Cargo.toml
index af0db755e..0a78e5133 100644
--- a/sm2/Cargo.toml
+++ b/sm2/Cargo.toml
@@ -28,7 +28,7 @@ primefield = { version = "0.14.0-rc.9", optional = true }
 primeorder = { version = "0.14.0-rc.9", optional = true }
 rfc6979 = { version = "0.5.0-rc.5", optional = true }
 serdect = { version = "0.4", optional = true, default-features = false }
-signature = { version = "3.0.0-rc.10", optional = true, features = ["rand_core"] }
+signature = { version = "3.0.0", optional = true, features = ["rand_core"] }
 sm3 = { version = "0.5", optional = true, default-features = false }
 
 [dev-dependencies]