diff --git a/Cargo.lock b/Cargo.lock
index 2eb012cfc204d35b90fa89295f92583d1dde26bc..9c8fa8fd8bbea16b3ac0f4f66fa83ee8772417f8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -510,7 +510,7 @@ dependencies = [
  "pwasm-utils",
  "regex",
  "rustc_version",
- "semver 1.0.0",
+ "semver 1.0.1",
  "serde",
  "serde_json",
  "sp-core",
@@ -643,7 +643,7 @@ name = "contract-metadata"
 version = "0.2.0"
 dependencies = [
  "pretty_assertions",
- "semver 1.0.0",
+ "semver 1.0.1",
  "serde",
  "serde_json",
  "url",
@@ -2795,9 +2795,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76b5842e81eb9bbea19276a9dbbda22ac042532f390a67ab08b895617978abf3"
+checksum = "d023dabf011d5dcb5ac64e3685d97d3b0ef412911077a2851455c6098524a723"
 dependencies = [
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index ca1cb5b8c771f12e94a6eb6115c6d23f3b31923e..55bd830c471804756e65a5b94c33b69f5f314c56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ toml = "0.5.8"
 rustc_version = "0.3.3"
 blake2 = "0.9.1"
 contract-metadata = { version = "0.2.0", path = "./metadata" }
-semver = { version = "1.0.0", features = ["serde"] }
+semver = { version = "1.0.1", features = ["serde"] }
 serde = { version = "1.0.126", default-features = false, features = ["derive"] }
 serde_json = "1.0.64"
 tempfile = "3.2.0"
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index 55a1685894501273981f0efad366fabb94ab1844..04003f156efc409ba3c275c40df019ed09a30500 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -17,7 +17,7 @@ include = ["Cargo.toml", "*.rs", "LICENSE"]
 path = "lib.rs"
 
 [dependencies]
-semver = { version = "1.0.0", features = ["serde"] }
+semver = { version = "1.0.1", features = ["serde"] }
 serde = { version = "1.0.126", default-features = false, features = ["derive"] }
 serde_json = "1.0.64"
 url = { version = "2.2.2", features = ["serde"] }