diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6259abc9d..c180bb05e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## OpenEthereum v3.3.1
+
+Enhancements:
+* Add eth_maxPriorityFeePerGas implementation (#570)
+* Add a bootnode for Kovan
+
+Bug fixes:
+* Fix for modexp overflow in debug mode (#578)
+
 ## OpenEthereum v3.3.0
 
 Enhancements:
diff --git a/Cargo.lock b/Cargo.lock
index b0e17e7c2..a93fe9493 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2932,7 +2932,7 @@ checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
 name = "openethereum"
-version = "3.3.0"
+version = "3.3.1"
 dependencies = [
  "ansi_term 0.10.2",
  "atty",
@@ -3282,7 +3282,7 @@ dependencies = [
 
 [[package]]
 name = "parity-version"
-version = "3.3.0"
+version = "3.3.1"
 dependencies = [
  "parity-bytes",
  "rlp",
diff --git a/Cargo.toml b/Cargo.toml
index 020b688e2..974e1fea6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 description = "OpenEthereum"
 name = "openethereum"
 # NOTE Make sure to update util/version/Cargo.toml as well
-version = "3.3.0"
+version = "3.3.1"
 license = "GPL-3.0"
 authors = [
 	"OpenEthereum developers",
diff --git a/crates/util/version/Cargo.toml b/crates/util/version/Cargo.toml
index ecf1b1b6a..1408b64f0 100644
--- a/crates/util/version/Cargo.toml
+++ b/crates/util/version/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "parity-version"
 # NOTE: this value is used for OpenEthereum version string (via env CARGO_PKG_VERSION)
-version = "3.3.0"
+version = "3.3.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"