diff --git a/keyserver/flow-typed/npm/@commapp/olm_vx.x.x.js b/keyserver/flow-typed/npm/@commapp/olm_vx.x.x.js
--- a/keyserver/flow-typed/npm/@commapp/olm_vx.x.x.js
+++ b/keyserver/flow-typed/npm/@commapp/olm_vx.x.x.js
@@ -77,6 +77,7 @@
     ): void;
     session_id(): string;
     has_received_message(): boolean;
+    is_sender_chain_empty(): boolean;
     matches_inbound(one_time_key_message: string): boolean;
     matches_inbound_from(
       identity_key: string,
diff --git a/keyserver/package.json b/keyserver/package.json
--- a/keyserver/package.json
+++ b/keyserver/package.json
@@ -47,7 +47,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.23.7",
-    "@commapp/olm": "0.2.0",
+    "@commapp/olm": "0.2.1",
     "@parse/node-apn": "^3.2.0",
     "@vingle/bmp-js": "^0.2.5",
     "bad-words": "^3.0.4",
diff --git a/lib/flow-typed/npm/@commapp/olm_vx.x.x.js b/lib/flow-typed/npm/@commapp/olm_vx.x.x.js
--- a/lib/flow-typed/npm/@commapp/olm_vx.x.x.js
+++ b/lib/flow-typed/npm/@commapp/olm_vx.x.x.js
@@ -77,6 +77,7 @@
     ): void;
     session_id(): string;
     has_received_message(): boolean;
+    is_sender_chain_empty(): boolean;
     matches_inbound(one_time_key_message: string): boolean;
     matches_inbound_from(
       identity_key: string,
diff --git a/lib/package.json b/lib/package.json
--- a/lib/package.json
+++ b/lib/package.json
@@ -35,7 +35,7 @@
     "webpack": "^5.76.0"
   },
   "dependencies": {
-    "@commapp/olm": "0.2.0",
+    "@commapp/olm": "0.2.1",
     "@rainbow-me/rainbowkit": "^2.0.7",
     "base-64": "^0.1.0",
     "dateformat": "^3.0.3",
diff --git a/native/package.json b/native/package.json
--- a/native/package.json
+++ b/native/package.json
@@ -90,7 +90,7 @@
     "lodash": "^4.17.21",
     "lottie-react-native": "^5.1.4",
     "md5": "^2.2.1",
-    "olm": "git+https://github.com/CommE2E/olm.git#v0.2.0",
+    "olm": "git+https://github.com/CommE2E/olm.git#v0.2.1",
     "react": "18.1.0",
     "react-native": "0.70.9",
     "react-native-camera": "^3.31.0",
diff --git a/web/flow-typed/npm/@commapp/olm_vx.x.x.js b/web/flow-typed/npm/@commapp/olm_vx.x.x.js
--- a/web/flow-typed/npm/@commapp/olm_vx.x.x.js
+++ b/web/flow-typed/npm/@commapp/olm_vx.x.x.js
@@ -77,6 +77,7 @@
     ): void;
     session_id(): string;
     has_received_message(): boolean;
+    is_sender_chain_empty(): boolean;
     matches_inbound(one_time_key_message: string): boolean;
     matches_inbound_from(
       identity_key: string,
diff --git a/web/package.json b/web/package.json
--- a/web/package.json
+++ b/web/package.json
@@ -43,7 +43,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.23.7",
-    "@commapp/olm": "0.2.0",
+    "@commapp/olm": "0.2.1",
     "@commapp/opaque-ke-wasm": "npm:@commapp/opaque-ke-wasm@^0.0.4",
     "@emoji-mart/data": "^1.1.2",
     "@emoji-mart/react": "^1.1.1",
diff --git a/yarn.lock b/yarn.lock
--- a/yarn.lock
+++ b/yarn.lock
@@ -1522,10 +1522,10 @@
     preact "^10.16.0"
     sha.js "^2.4.11"
 
-"@commapp/olm@0.2.0":
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/@commapp/olm/-/olm-0.2.0.tgz#91fbb944153a814429b08dd9ef3e92b58175798d"
-  integrity sha512-EsTI3IIEXKdNDABBDG0XesXL60/EF2MG2x6d6keMzKWNKaTnb+lcMw73E5gniRoWGkPlAfBGg/TR8H7Ny8FtvA==
+"@commapp/olm@0.2.1":
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/@commapp/olm/-/olm-0.2.1.tgz#1e9f3b1e0400ac124beb338255c44c65cc1e5c67"
+  integrity sha512-gkCRuYUIpr/D2md7znnDQlE4QAY35RN4YoO1BJdeJuYw69E5qcMLqAGFnyv1DlCqaN7DWMDw/yNX3LcSjCPoZA==
 
 "@commapp/opaque-ke-wasm@npm:@commapp/opaque-ke-wasm@^0.0.4":
   version "0.0.4"
@@ -18471,9 +18471,9 @@
   resolved "https://registry.yarnpkg.com/ohash/-/ohash-1.1.3.tgz#f12c3c50bfe7271ce3fd1097d42568122ccdcf07"
   integrity sha512-zuHHiGTYTA1sYJ/wZN+t5HKZaH23i4yI1HMwbuXm24Nid7Dv0KcuRlKoNKS9UNfAVSBlnGLcuQrnOKWOZoEGaw==
 
-"olm@git+https://github.com/CommE2E/olm.git#v0.2.0":
+"olm@git+https://github.com/CommE2E/olm.git#v0.2.1":
   version "0.0.0"
-  resolved "git+https://github.com/CommE2E/olm.git#f3fb3afdc934e97889b49e5e05544aa5ee7c2195"
+  resolved "git+https://github.com/CommE2E/olm.git#f51f05a23b41ef313771a494b3d5e5721ce03a74"
 
 on-exit-leak-free@^0.2.0:
   version "0.2.0"