diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e85097ca..58b58c3f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@ OpenTelemetry Go Automatic Instrumentation adheres to [Semantic Versioning](http
 
 ## [Unreleased]
 
+
+## [v0.12.0-alpha] - 2024-04-10
+
 ### Added
 
 - Support `golang.org/x/net/http2@v0.23.0`. ([#744](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/744))
@@ -20,6 +23,7 @@ OpenTelemetry Go Automatic Instrumentation adheres to [Semantic Versioning](http
 - Support Go `v1.22.2`. ([#744](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/744))
 - Support `golang.org/x/net/http2@v0.24.0`. ([#746](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/746))
 - Support `go.opentelemetry.io/otel@v1.25.0`. ([#748](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/748))
+- Update project Go version used to build to 1.21 ([#747](https://github.com/open-telemetry/opentelemetry-go-instrumentation/pull/747))
 
 ### Fixed
 
@@ -308,7 +312,8 @@ OpenTelemetry Go Automatic Instrumentation adheres to [Semantic Versioning](http
 
 This is the first release of OpenTelemetry Go Automatic Instrumentation.
 
-[Unreleased]: https://github.com/open-telemetry/opentelemetry-go-instrumentation/compare/v0.11.0-alpha...HEAD
+[Unreleased]: https://github.com/open-telemetry/opentelemetry-go-instrumentation/compare/v0.12.0-alpha...HEAD
+[v0.12.0-alpha]: https://github.com/open-telemetry/opentelemetry-go-instrumentation/releases/tag/v0.12.0-alpha
 [v0.11.0-alpha]: https://github.com/open-telemetry/opentelemetry-go-instrumentation/releases/tag/v0.11.0-alpha
 [v0.10.1-alpha]: https://github.com/open-telemetry/opentelemetry-go-instrumentation/releases/tag/v0.10.1-alpha
 [v0.10.0-alpha]: https://github.com/open-telemetry/opentelemetry-go-instrumentation/releases/tag/v0.10.0-alpha
diff --git a/internal/test/e2e/databasesql/traces.json b/internal/test/e2e/databasesql/traces.json
index 497c3a6db..17c02ae07 100644
--- a/internal/test/e2e/databasesql/traces.json
+++ b/internal/test/e2e/databasesql/traces.json
@@ -30,7 +30,7 @@
           {
             "key": "telemetry.auto.version",
             "value": {
-              "stringValue": "v0.11.0-alpha"
+              "stringValue": "v0.12.0-alpha"
             }
           },
           {
@@ -46,7 +46,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/database/sql",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
@@ -70,7 +70,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/net/http",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
diff --git a/internal/test/e2e/gin/traces.json b/internal/test/e2e/gin/traces.json
index 00ed280d4..80da48228 100644
--- a/internal/test/e2e/gin/traces.json
+++ b/internal/test/e2e/gin/traces.json
@@ -30,7 +30,7 @@
           {
             "key": "telemetry.auto.version",
             "value": {
-              "stringValue": "v0.11.0-alpha"
+              "stringValue": "v0.12.0-alpha"
             }
           },
           {
@@ -46,7 +46,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/github.com/gin-gonic/gin",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
@@ -76,7 +76,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/net/http",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
diff --git a/internal/test/e2e/grpc/traces.json b/internal/test/e2e/grpc/traces.json
index 47c648f5f..591dcbddd 100644
--- a/internal/test/e2e/grpc/traces.json
+++ b/internal/test/e2e/grpc/traces.json
@@ -30,7 +30,7 @@
           {
             "key": "telemetry.auto.version",
             "value": {
-              "stringValue": "v0.11.0-alpha"
+              "stringValue": "v0.12.0-alpha"
             }
           },
           {
@@ -46,7 +46,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/google.golang.org/grpc",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
diff --git a/internal/test/e2e/nethttp/traces.json b/internal/test/e2e/nethttp/traces.json
index 11cc4a8b5..365ed560a 100644
--- a/internal/test/e2e/nethttp/traces.json
+++ b/internal/test/e2e/nethttp/traces.json
@@ -30,7 +30,7 @@
           {
             "key": "telemetry.auto.version",
             "value": {
-              "stringValue": "v0.11.0-alpha"
+              "stringValue": "v0.12.0-alpha"
             }
           },
           {
@@ -46,7 +46,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/net/http",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
diff --git a/internal/test/e2e/nethttp_custom/traces.json b/internal/test/e2e/nethttp_custom/traces.json
index 11cc4a8b5..365ed560a 100644
--- a/internal/test/e2e/nethttp_custom/traces.json
+++ b/internal/test/e2e/nethttp_custom/traces.json
@@ -30,7 +30,7 @@
           {
             "key": "telemetry.auto.version",
             "value": {
-              "stringValue": "v0.11.0-alpha"
+              "stringValue": "v0.12.0-alpha"
             }
           },
           {
@@ -46,7 +46,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/net/http",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
diff --git a/internal/test/e2e/otelglobal/traces.json b/internal/test/e2e/otelglobal/traces.json
index 77c4f81b6..18d6d5b15 100644
--- a/internal/test/e2e/otelglobal/traces.json
+++ b/internal/test/e2e/otelglobal/traces.json
@@ -30,7 +30,7 @@
           {
             "key": "telemetry.auto.version",
             "value": {
-              "stringValue": "v0.11.0-alpha"
+              "stringValue": "v0.12.0-alpha"
             }
           },
           {
@@ -46,7 +46,7 @@
         {
           "scope": {
             "name": "go.opentelemetry.io/auto/go.opentelemetry.io/otel/internal/global",
-            "version": "v0.11.0-alpha"
+            "version": "v0.12.0-alpha"
           },
           "spans": [
             {
diff --git a/version.go b/version.go
index d7ea3380c..1e8253f75 100644
--- a/version.go
+++ b/version.go
@@ -16,5 +16,5 @@ package auto
 
 // Version is the current release version of OpenTelemetry Go auto-instrumentation in use.
 func Version() string {
-	return "v0.11.0-alpha"
+	return "v0.12.0-alpha"
 }
diff --git a/versions.yaml b/versions.yaml
index 1387b9255..71d031ce9 100644
--- a/versions.yaml
+++ b/versions.yaml
@@ -14,7 +14,7 @@
 
 module-sets:
   alpha:
-    version: v0.11.0-alpha
+    version: v0.12.0-alpha
     modules:
       - go.opentelemetry.io/auto
 excluded-modules: