diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f98d00b..d7d75e66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ### Changed
 ### Fixed
 
+## 2024-07-23: v0.17.0-dev.4
+### Changed
+- Update default signal server to wss://sbd-0.main.infra.holo.host.
+
 ## 2024-07-19: v0.17.0-dev.3
 ### Added
 - New value `NotStartedAfterProvidingMemproofs` for type `DisabledAppReason` which effectively allows a new app status, corresponding to the specific state where a UI has just called AppRequest::ProvideMemproofs, but the app has not yet been enabled for the first time.
diff --git a/docs/tryorama.getcallablecell.md b/docs/tryorama.getcallablecell.md
index 7da7d6fa..20fc9ef1 100644
--- a/docs/tryorama.getcallablecell.md
+++ b/docs/tryorama.getcallablecell.md
@@ -13,7 +13,7 @@ getCallableCell: (appWs: IAppWebsocket, cell: ClonedCell | ProvisionedCell) => {
     callZome: <T>(request: CellZomeCallRequest, timeout?: number) => Promise<T>;
     cell_id: import("@holochain/client").CellId;
     clone_id: string;
-    original_dna_hash: Uint8Array;
+    original_dna_hash: import("@spartan-hc/holo-hash").DnaHash;
     dna_modifiers: import("@holochain/client").DnaModifiers;
     name: string;
     enabled: boolean;
@@ -78,7 +78,7 @@ Cell to bind zome call function to.
 </tbody></table>
 **Returns:**
 
-{ callZome: &lt;T&gt;(request: [CellZomeCallRequest](./tryorama.cellzomecallrequest.md)<!-- -->, timeout?: number) =&gt; Promise&lt;T&gt;; cell\_id: import("@holochain/client").CellId; clone\_id: string; original\_dna\_hash: Uint8Array; dna\_modifiers: import("@holochain/client").DnaModifiers; name: string; enabled: boolean; } \| { callZome: &lt;T&gt;(request: [CellZomeCallRequest](./tryorama.cellzomecallrequest.md)<!-- -->, timeout?: number) =&gt; Promise&lt;T&gt;; cell\_id: import("@holochain/client").CellId; dna\_modifiers: import("@holochain/client").DnaModifiers; name: string; }
+{ callZome: &lt;T&gt;(request: [CellZomeCallRequest](./tryorama.cellzomecallrequest.md)<!-- -->, timeout?: number) =&gt; Promise&lt;T&gt;; cell\_id: import("@holochain/client").CellId; clone\_id: string; original\_dna\_hash: import("@spartan-hc/holo-hash").DnaHash; dna\_modifiers: import("@holochain/client").DnaModifiers; name: string; enabled: boolean; } \| { callZome: &lt;T&gt;(request: [CellZomeCallRequest](./tryorama.cellzomecallrequest.md)<!-- -->, timeout?: number) =&gt; Promise&lt;T&gt;; cell\_id: import("@holochain/client").CellId; dna\_modifiers: import("@holochain/client").DnaModifiers; name: string; }
 
 A callable cell.
 
diff --git a/package-lock.json b/package-lock.json
index b919c8b3..62eed9a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "@holochain/tryorama",
-  "version": "0.17.0-dev.3",
+  "version": "0.17.0-dev.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@holochain/tryorama",
-      "version": "0.17.0-dev.3",
+      "version": "0.17.0-dev.4",
       "license": "MIT",
       "dependencies": {
-        "@holochain/client": "^0.18.0-dev.6",
+        "@holochain/client": "^0.18.0-dev.7",
         "get-port": "^6.1.2",
         "lodash": "^4.17.21",
         "uuid": "^8.3.2",
@@ -600,13 +600,14 @@
       }
     },
     "node_modules/@holochain/client": {
-      "version": "0.18.0-dev.6",
-      "resolved": "https://registry.npmjs.org/@holochain/client/-/client-0.18.0-dev.6.tgz",
-      "integrity": "sha512-6NZjXEepN4UXXgBDIy3pL/a0yDQFhWwFk9fAEgZl2jTXlpWwvQZ++5d1KinAcfHgZvBNo3807LhJoydyv9XIwg==",
+      "version": "0.18.0-dev.9",
+      "resolved": "https://registry.npmjs.org/@holochain/client/-/client-0.18.0-dev.9.tgz",
+      "integrity": "sha512-cVqSf5Ggr4Z07NdmWc/gIulk4U2Hxw9qmTN+qJr3/V1EhCAaUp3CLgoD3rDEGHTUuTKc3raXGXUcterX8OJbOg==",
       "dependencies": {
         "@bitgo/blake2b": "^3.2.4",
         "@holochain/serialization": "^0.1.0-beta-rc.3",
         "@msgpack/msgpack": "^2.8.0",
+        "@spartan-hc/holo-hash": "^0.7.0",
         "emittery": "^1.0.1",
         "isomorphic-ws": "^5.0.0",
         "js-base64": "^3.7.5",
@@ -890,6 +891,14 @@
         "string-argv": "~0.3.1"
       }
     },
+    "node_modules/@spartan-hc/holo-hash": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/@spartan-hc/holo-hash/-/holo-hash-0.7.0.tgz",
+      "integrity": "sha512-RtA+OXiteatppEvpGQ0WvAUf+MA5TLa/C8ota5S41W0xmKQfe9IQ9n/hTFRd0tBG4eYXfnz65TDDR1q3VIVOTw==",
+      "dependencies": {
+        "@whi/xor-digest": "^0.1.0"
+      }
+    },
     "node_modules/@types/argparse": {
       "version": "1.0.38",
       "resolved": "https://registry.npmjs.org/@types/argparse/-/argparse-1.0.38.tgz",
@@ -1174,6 +1183,11 @@
       "integrity": "sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==",
       "dev": true
     },
+    "node_modules/@whi/xor-digest": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@whi/xor-digest/-/xor-digest-0.1.0.tgz",
+      "integrity": "sha512-FKPxyYK79TIxkVHmXnyJ4IljW+5sc+HX2hxMu5+UxlN0p1vOOdwFagDOhONC4ILysm1bXhvF4cPsTGSmlTKenQ=="
+    },
     "node_modules/acorn": {
       "version": "8.11.3",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.11.3.tgz",
diff --git a/package.json b/package.json
index 3cb0f9ed..3ca44b62 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@holochain/tryorama",
   "description": "Toolset to manage Holochain conductors and facilitate running test scenarios",
-  "version": "0.17.0-dev.3",
+  "version": "0.17.0-dev.4",
   "author": "Holochain Foundation",
   "license": "MIT",
   "keywords": [
@@ -43,7 +43,7 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
-    "@holochain/client": "^0.18.0-dev.6",
+    "@holochain/client": "^0.18.0-dev.7",
     "get-port": "^6.1.2",
     "lodash": "^4.17.21",
     "uuid": "^8.3.2",