diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 34137a7..2b5594f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,7 +9,7 @@ permissions:
 'on':
   push:
     branches:
-      - main
+      - holochain-0.4
     tags-ignore:
       - '**'
     paths-ignore:
diff --git a/Cargo.toml b/Cargo.toml
index 9bbd8a7..d4a62cd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,19 +1,19 @@
 [package]
 edition = "2021"
 name = "hc-spin-rust-utils"
-version = "0.400.0"
+version = "0.400.0-rc.0"
 
 [lib]
 crate-type = ["cdylib"]
 
 [dependencies]
 # We keep those holochain dependencies separate from the root project to avoid irrelevant incompatibilities
-holochain_integrity_types = "0.4.0-dev.1"
-holochain_types = "0.4.0-dev.1"
-holochain_zome_types = "0.4.0-dev.1"
-holo_hash = "0.4.0-dev.1"
-kitsune_p2p_timestamp = "0.4.0-dev.0"
-lair_keystore_api = "0.4.4"
+holochain_integrity_types = "0.4.0-rc.0"
+holochain_types = "0.4.0-rc.1"
+holochain_zome_types = "0.4.0-rc.1"
+holo_hash = "0.4.0-rc.0"
+kitsune_p2p_timestamp = "0.4.0-rc.0"
+lair_keystore_api = "0.5.2"
 
 hex = "0.4.3"
 futures = "0.3"
diff --git a/index.d.ts b/index.d.ts
index 92cdd78..6d1ab52 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -3,7 +3,7 @@
 
 /* auto-generated by NAPI-RS */
 
-export function saveHappOrWebhapp(happOrWebHappPath: string, appId: string, uisDir: string, happsDir: string): Promise<void>
+export declare function saveHappOrWebhapp(happOrWebHappPath: string, appId: string, uisDir: string, happsDir: string): Promise<void>
 export interface ZomeCallUnsignedNapi {
   cellId: Array<Array<number>>
   zomeName: string