diff --git a/substrate/frame/contracts/Cargo.toml b/substrate/frame/contracts/Cargo.toml
index ffcb373858..3c8ac89f5d 100644
--- a/substrate/frame/contracts/Cargo.toml
+++ b/substrate/frame/contracts/Cargo.toml
@@ -9,6 +9,9 @@ repository = "https://github.com/paritytech/substrate/"
 description = "FRAME pallet for WASM contracts"
 readme = "README.md"
 
+# Prevent publish until we are ready to release 3.0.0
+publish = false
+
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
diff --git a/substrate/frame/contracts/common/Cargo.toml b/substrate/frame/contracts/common/Cargo.toml
index e87cad055a..45195fc8c4 100644
--- a/substrate/frame/contracts/common/Cargo.toml
+++ b/substrate/frame/contracts/common/Cargo.toml
@@ -8,6 +8,7 @@ homepage = "https://substrate.dev"
 repository = "https://github.com/paritytech/substrate/"
 description = "A crate that hosts a common definitions that are relevant for the pallet-contracts."
 readme = "README.md"
+publish = false
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
diff --git a/substrate/frame/contracts/rpc/Cargo.toml b/substrate/frame/contracts/rpc/Cargo.toml
index 362e298102..5136af5450 100644
--- a/substrate/frame/contracts/rpc/Cargo.toml
+++ b/substrate/frame/contracts/rpc/Cargo.toml
@@ -8,6 +8,7 @@ homepage = "https://substrate.dev"
 repository = "https://github.com/paritytech/substrate/"
 description = "Node-specific RPC methods for interaction with contracts."
 readme = "README.md"
+publish = false
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
diff --git a/substrate/frame/contracts/rpc/runtime-api/Cargo.toml b/substrate/frame/contracts/rpc/runtime-api/Cargo.toml
index 04becf2b45..ec390ee4b1 100644
--- a/substrate/frame/contracts/rpc/runtime-api/Cargo.toml
+++ b/substrate/frame/contracts/rpc/runtime-api/Cargo.toml
@@ -8,6 +8,7 @@ homepage = "https://substrate.dev"
 repository = "https://github.com/paritytech/substrate/"
 description = "Runtime API definition required by Contracts RPC extensions."
 readme = "README.md"
+publish = false
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]