diff --git a/Cargo.lock b/Cargo.lock
index 53d302be..5af6b71b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -148,7 +148,7 @@ dependencies = [
 
 [[package]]
 name = "ecdsa"
-version = "0.17.0-pre.3"
+version = "0.17.0-pre.4"
 dependencies = [
  "der 0.8.0-pre.0",
  "digest",
diff --git a/ecdsa/Cargo.toml b/ecdsa/Cargo.toml
index b3ad52bd..08477808 100644
--- a/ecdsa/Cargo.toml
+++ b/ecdsa/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ecdsa"
-version = "0.17.0-pre.3"
+version = "0.17.0-pre.4"
 description = """
 Pure Rust implementation of the Elliptic Curve Digital Signature Algorithm
 (ECDSA) as specified in FIPS 186-4 (Digital Signature Standard), providing