diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27ec8119e8..02eda11c2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ and this project adheres to
 - cosmwasm-std: Implement `saturating_add`/`sub`/`mul` for
   `Decimal`/`Decimal256`.
 - cosmwasm-std: Implement `MIN` const value for all `Uint` and `Decimal` types
+- cosmwasm-vm: Add support for contracts with `interface_version_9`.
+  `interface_version_8` is still supported as well.
+- cosmwasm-std: Bump the interface version to `interface_version_9`. Contracts
+  built on `cosmwasm-std 1.1` will only work with `cosmwasm-vm ^1.1`
 
 [#1334]: https://github.com/CosmWasm/cosmwasm/pull/1334
 
diff --git a/packages/std/src/exports.rs b/packages/std/src/exports.rs
index 90f1880da4..167370ee75 100644
--- a/packages/std/src/exports.rs
+++ b/packages/std/src/exports.rs
@@ -45,7 +45,7 @@ extern "C" fn requires_stargate() -> () {}
 /// They can be checked by cosmwasm_vm.
 /// Update this whenever the Wasm VM interface breaks.
 #[no_mangle]
-extern "C" fn interface_version_8() -> () {}
+extern "C" fn interface_version_9() -> () {}
 
 /// allocate reserves the given number of bytes in wasm memory and returns a pointer
 /// to a Region defining this data. This space is managed by the calling process
diff --git a/packages/vm/README.md b/packages/vm/README.md
index 00e28f6379..3cfe9f32a3 100644
--- a/packages/vm/README.md
+++ b/packages/vm/README.md
@@ -14,18 +14,19 @@ A VM can support one or more contract-VM interface versions. The interface
 version is communicated by the contract via a Wasm import. This is the current
 compatibility list:
 
-| cosmwasm-vm | Supported interface versions | cosmwasm-std |
-| ----------- | ---------------------------- | ------------ |
-| 1.0         | `interface_version_8`        | 1.0          |
-| 0.16        | `interface_version_7`        | 0.16         |
-| 0.15        | `interface_version_6`        | 0.15         |
-| 0.14        | `interface_version_5`        | 0.14         |
-| 0.13        | `cosmwasm_vm_version_4`      | 0.11-0.13    |
-| 0.12        | `cosmwasm_vm_version_4`      | 0.11-0.13    |
-| 0.11        | `cosmwasm_vm_version_4`      | 0.11-0.13    |
-| 0.10        | `cosmwasm_vm_version_3`      | 0.10         |
-| 0.9         | `cosmwasm_vm_version_2`      | 0.9          |
-| 0.8         | `cosmwasm_vm_version_1`      | 0.8          |
+| cosmwasm-vm | Supported interface versions                 | cosmwasm-std |
+| ----------- | -------------------------------------------- | ------------ |
+| 1.1         | `interface_version_9`, `interface_version_8` | 1.0-1.1      |
+| 1.0         | `interface_version_8`                        | 1.0          |
+| 0.16        | `interface_version_7`                        | 0.16         |
+| 0.15        | `interface_version_6`                        | 0.15         |
+| 0.14        | `interface_version_5`                        | 0.14         |
+| 0.13        | `cosmwasm_vm_version_4`                      | 0.11-0.13    |
+| 0.12        | `cosmwasm_vm_version_4`                      | 0.11-0.13    |
+| 0.11        | `cosmwasm_vm_version_4`                      | 0.11-0.13    |
+| 0.10        | `cosmwasm_vm_version_3`                      | 0.10         |
+| 0.9         | `cosmwasm_vm_version_2`                      | 0.9          |
+| 0.8         | `cosmwasm_vm_version_1`                      | 0.8          |
 
 ### Changes between interface versions
 
diff --git a/packages/vm/src/compatibility.rs b/packages/vm/src/compatibility.rs
index f8c894ac11..4f07c4d280 100644
--- a/packages/vm/src/compatibility.rs
+++ b/packages/vm/src/compatibility.rs
@@ -43,6 +43,7 @@ const REQUIRED_EXPORTS: &[&str] = &[
 
 const INTERFACE_VERSION_PREFIX: &str = "interface_version_";
 const SUPPORTED_INTERFACE_VERSIONS: &[&str] = &[
+    "interface_version_9",
     "interface_version_8",
     #[cfg(feature = "allow_interface_version_7")]
     "interface_version_7",