diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 1611fdc..fa17cbf 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,18 +12,18 @@ permissions:
 
 jobs:
   macos:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '15.2.0'
+        xcode-version: '16.1.0'
     - uses: actions/checkout@v4
 
     - name: Run build
       run: .ci/scripts/build.sh
 
     - name: Run test
-      run: xcodebuild -scheme apm-agent-ios-Package -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 14' test
+      run: xcodebuild -scheme apm-agent-ios-Package -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 16' test
 
     - name: Run package snapshots
       run: .ci/scripts/package.sh
diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 0d34b0f..b756346 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -16,6 +16,11 @@
 [[release-notes-next]]
 === Next
 
+[[release-notes-v1.2.0]]
+=== v1.2.0
+==== Features
+- Updated OpenTelemetry-Swift to v1.12.1, addressing various issues.
+
 [[release-notes-v1.0.2]]
 === v1.0.2
 ==== Features
diff --git a/Package.swift b/Package.swift
index e62136b..6e5d23d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -20,7 +20,7 @@ let package = Package(
   dependencies: [
     .package(url: "https://github.com/ashleymills/Reachability.swift", from: "5.2.4"),
     .package(
-      url: "https://github.com/open-telemetry/opentelemetry-swift", exact: "1.11.0"),
+      url: "https://github.com/open-telemetry/opentelemetry-swift", exact: "1.12.1"),
     .package(url: "https://github.com/MobileNativeFoundation/Kronos.git", .upToNextMajor(from: "4.2.2")),
     .package(
       url: "https://github.com/microsoft/plcrashreporter.git", .upToNextMajor(from: "1.0.0")),
diff --git a/Sources/apm-agent-ios/Version.swift b/Sources/apm-agent-ios/Version.swift
index f3870a7..bd765b7 100644
--- a/Sources/apm-agent-ios/Version.swift
+++ b/Sources/apm-agent-ios/Version.swift
@@ -15,5 +15,5 @@
 import Foundation
 
 extension ElasticApmAgent {
-    public static let elasticSwiftAgentVersion: String = "1.0.0"
+    public static let elasticSwiftAgentVersion: String = "1.2.0"
 }
diff --git a/docs/setup.asciidoc b/docs/setup.asciidoc
index 7b1e3bd..67119b4 100644
--- a/docs/setup.asciidoc
+++ b/docs/setup.asciidoc
@@ -36,7 +36,7 @@ Below is a helpful code-snippet:
 ----
 Package(
     dependencies:[
-         .package(name: "apm-agent-ios", url: "https://github.com/elastic/apm-agent-ios.git", from: "1.0.0"),
+         .package(name: "apm-agent-ios", url: "https://github.com/elastic/apm-agent-ios.git", from: "1.2.0"),
     ],
   targets:[
     .target(
diff --git a/docs/supported-tech.asciidoc b/docs/supported-tech.asciidoc
index ea7dd31..9cc5238 100644
--- a/docs/supported-tech.asciidoc
+++ b/docs/supported-tech.asciidoc
@@ -6,5 +6,5 @@ The Elastic APM iOS Agent automatically instruments various APIs, frameworks, an
 [options="header"]
 |===
 | Framework  | Version
-| OpenTelemetry-Swift | 1.9.0
+| OpenTelemetry-Swift | 1.12.1
 |===