diff --git a/Cargo.lock b/Cargo.lock
index 82e254a8ab..1fe7eafff8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1075,7 +1075,7 @@ dependencies = [
 
 [[package]]
 name = "core-crypto"
-version = "10.1.1"
+version = "10.2.0"
 dependencies = [
  "aes-gcm",
  "anyhow",
@@ -1148,7 +1148,7 @@ dependencies = [
 
 [[package]]
 name = "core-crypto-ffi"
-version = "10.1.1"
+version = "10.2.0"
 dependencies = [
  "async-lock",
  "async-trait",
@@ -1185,7 +1185,7 @@ dependencies = [
 
 [[package]]
 name = "core-crypto-keystore"
-version = "10.1.1"
+version = "10.2.0"
 dependencies = [
  "aes-gcm",
  "async-fs",
@@ -1246,7 +1246,7 @@ dependencies = [
 
 [[package]]
 name = "core-crypto-macros"
-version = "10.1.1"
+version = "10.2.0"
 dependencies = [
  "darling",
  "heck",
@@ -2822,7 +2822,7 @@ dependencies = [
 
 [[package]]
 name = "interop"
-version = "10.1.1"
+version = "10.2.0"
 dependencies = [
  "anyhow",
  "async-fs",
@@ -3013,7 +3013,7 @@ dependencies = [
 
 [[package]]
 name = "keystore-dump"
-version = "10.1.1"
+version = "10.2.0"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/cc-book/src/release_notes.md b/cc-book/src/release_notes.md
index d375d677a7..c43ef15d5c 100644
--- a/cc-book/src/release_notes.md
+++ b/cc-book/src/release_notes.md
@@ -6,6 +6,11 @@
 
 ## CoreCrypto 10
 
+### v10.2.0 - 2026-07-28
+
+- Key packages are retained in case of a `ConversationAlreadyExists` error during `processWelcomeMessage()`, however,
+  only if the key package was created in an earlier CoreCrypto transaction.
+
 ### v10.1.1 - 2026-07-21
 
 - Swift/iOS: CoreCrypto transactions are now cancellable
diff --git a/crypto-ffi/Cargo.toml b/crypto-ffi/Cargo.toml
index 5b9334060b..a407b4143c 100644
--- a/crypto-ffi/Cargo.toml
+++ b/crypto-ffi/Cargo.toml
@@ -2,7 +2,7 @@
 name = "core-crypto-ffi"
 description = "Platform-specific bindings (Android, iOS, WASM) for CoreCrypto"
 repository = "https://github.com/wireapp/core-crypto"
-version = "10.1.1"
+version = "10.2.0"
 edition = "2024"
 license = "GPL-3.0-only"
 publish = false
diff --git a/crypto-ffi/bindings/gradle.properties b/crypto-ffi/bindings/gradle.properties
index 27f57686a0..eaa83bea0d 100644
--- a/crypto-ffi/bindings/gradle.properties
+++ b/crypto-ffi/bindings/gradle.properties
@@ -24,7 +24,7 @@ mavenCentralPublishing=true
 mavenCentralAutomaticPublishing=true
 signAllPublications=true
 GROUP=com.wire
-VERSION_NAME=10.1.1
+VERSION_NAME=10.2.0
 POM_NAME=Core Crypto
 POM_DESCRIPTION=MLS/Proteus multiplexer abstraction with encrypted persistent storage in Rust
 POM_INCEPTION_YEAR=2022
diff --git a/crypto-ffi/bindings/js/packages/browser/package.json b/crypto-ffi/bindings/js/packages/browser/package.json
index b92b23f16c..9dd6d2affe 100644
--- a/crypto-ffi/bindings/js/packages/browser/package.json
+++ b/crypto-ffi/bindings/js/packages/browser/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@wireapp/core-crypto-browser",
-    "version": "10.1.1",
+    "version": "10.2.0",
     "license": "GPL-3.0",
     "type": "module"
 }
diff --git a/crypto-ffi/bindings/js/packages/core-crypto/package.json b/crypto-ffi/bindings/js/packages/core-crypto/package.json
index c0eac60c88..e9aa42736f 100644
--- a/crypto-ffi/bindings/js/packages/core-crypto/package.json
+++ b/crypto-ffi/bindings/js/packages/core-crypto/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@wireapp/core-crypto",
-    "version": "10.1.1",
+    "version": "10.2.0",
     "description": "CoreCrypto bindings for browser and native JavaScript runtimes",
     "keywords": [
         "corecrypto",
diff --git a/crypto-ffi/bindings/js/packages/native/package.json b/crypto-ffi/bindings/js/packages/native/package.json
index a53c220edd..eae85b241e 100644
--- a/crypto-ffi/bindings/js/packages/native/package.json
+++ b/crypto-ffi/bindings/js/packages/native/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@wireapp/core-crypto-native",
-    "version": "10.1.1",
+    "version": "10.2.0",
     "license": "GPL-3.0",
     "type": "module",
     "dependencies": {
diff --git a/crypto-ffi/bindings/swift/BuildSettings.xcconfig b/crypto-ffi/bindings/swift/BuildSettings.xcconfig
index f3488ecdc6..0630c4f3dc 100644
--- a/crypto-ffi/bindings/swift/BuildSettings.xcconfig
+++ b/crypto-ffi/bindings/swift/BuildSettings.xcconfig
@@ -1,8 +1,8 @@
 // Configuration settings file format documentation can be found at:
 // https://help.apple.com/xcode/#/dev745c5c974
 
-MARKETING_VERSION=10.1.1
-CURRENT_PROJECT_VERSION=10.1.1
+MARKETING_VERSION=10.2.0
+CURRENT_PROJECT_VERSION=10.2.0
 DYLIB_CURRENT_VERSION=$(CURRENT_PROJECT_VERSION)
 DYLIB_COMPATIBILITY_VERSION=$(CURRENT_PROJECT_VERSION)
 BUILD_LIBRARY_FOR_DISTRIBUTION=YES
diff --git a/crypto-macros/Cargo.toml b/crypto-macros/Cargo.toml
index 2863c4d7e2..8a2013cd84 100644
--- a/crypto-macros/Cargo.toml
+++ b/crypto-macros/Cargo.toml
@@ -2,7 +2,7 @@
 name = "core-crypto-macros"
 description = "Macros for core-crypto"
 repository = "https://github.com/wireapp/core-crypto"
-version = "10.1.1"
+version = "10.2.0"
 edition = "2024"
 license = "GPL-3.0-only"
 
diff --git a/crypto/Cargo.toml b/crypto/Cargo.toml
index e2d2bb98a8..f554fcf40d 100644
--- a/crypto/Cargo.toml
+++ b/crypto/Cargo.toml
@@ -2,7 +2,7 @@
 name = "core-crypto"
 description = "Abstraction over OpenMLS with persistent keystore"
 repository = "https://github.com/wireapp/core-crypto"
-version = "10.1.1"
+version = "10.2.0"
 edition = "2024"
 license = "GPL-3.0-only"
 publish = false
diff --git a/docs/index.md b/docs/index.md
index e1739f9b6f..9152fd5d9c 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -13,6 +13,7 @@ input, and confirm by "run workflow" below the input. Note that deployment depen
 |             | TypeScript                                                 | Kotlin                                                  | Swift                                            | Rust                                   | CC Book                    |
 | ----------- | ---------------------------------------------------------- | ------------------------------------------------------- | ------------------------------------------------ | -------------------------------------- | -------------------------- |
 | **main**    | [TypeScript](./main/typescript/)                           | [Kotlin](./main/kotlin/)                                | [Swift](./main/swift/)                           | [Rust](./main/rust/core_crypto/)       | [Book](./main/cc-book/)    |
+| **v10.2.0** | [TypeScript](./v10.2.0/typescript)                         | [Kotlin](./v10.2.0/kotlin/)                             | [Swift](./v10.2.0/swift)                         | [Rust](./v10.2.0/rust/core_crypto)     | [Book](./v10.2.0/cc-book/) |
 | **v10.1.1** | [TypeScript](./v10.1.1/typescript)                         | [Kotlin](./v10.1.1/kotlin/)                             | [Swift](./v10.1.1/swift)                         | [Rust](./v10.1.1/rust/core_crypto)     | [Book](./v10.1.1/cc-book/) |
 | **v10.0.0** | [TypeScript](./v10.0.0/typescript)                         | [Kotlin](./v10.0.0/kotlin/)                             | [Swift](./v10.0.0/swift)                         | [Rust](./v10.0.0/rust/core_crypto)     | [Book](./v10.0.0/cc-book/) |
 | **v9.3.4**  | [TypeScript](./v9.3.4/typescript)                          | [Kotlin](./v9.3.4/kotlin/)                              | [Swift](./v9.3.4/swift)                          | [Rust](./v9.3.4/rust/core_crypto)      |                            |
diff --git a/interop/Cargo.toml b/interop/Cargo.toml
index 1673b6da72..a58ae8649f 100644
--- a/interop/Cargo.toml
+++ b/interop/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "interop"
-version = "10.1.1"
+version = "10.2.0"
 edition = "2024"
 license = "GPL-3.0-only"
 
diff --git a/keystore-dump/Cargo.toml b/keystore-dump/Cargo.toml
index 29d507d9d4..daf55da729 100644
--- a/keystore-dump/Cargo.toml
+++ b/keystore-dump/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "keystore-dump"
 description = "Dumps a keystore to JSON on stdout"
-version = "10.1.1"
+version = "10.2.0"
 edition = "2024"
 license = "GPL-3.0-only"
 
diff --git a/keystore/Cargo.toml b/keystore/Cargo.toml
index 75405d226e..b43e2c1129 100644
--- a/keystore/Cargo.toml
+++ b/keystore/Cargo.toml
@@ -2,7 +2,7 @@
 name = "core-crypto-keystore"
 description = "Encrypted keystore with support for OpenMLS and Proteus"
 repository = "https://github.com/wireapp/core-crypto"
-version = "10.1.1"
+version = "10.2.0"
 edition = "2024"
 license = "GPL-3.0-only"
 publish = false