diff --git a/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md b/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md
index ca8729d308b..50d43f6ddf4 100644
--- a/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md
+++ b/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry.Api/CHANGELOG.md b/src/OpenTelemetry.Api/CHANGELOG.md
index 63046fa589d..a4e8e180aac 100644
--- a/src/OpenTelemetry.Api/CHANGELOG.md
+++ b/src/OpenTelemetry.Api/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry.Exporter.Console/CHANGELOG.md b/src/OpenTelemetry.Exporter.Console/CHANGELOG.md
index 55cb44954a9..2c0a56df8a1 100644
--- a/src/OpenTelemetry.Exporter.Console/CHANGELOG.md
+++ b/src/OpenTelemetry.Exporter.Console/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry.Exporter.InMemory/CHANGELOG.md b/src/OpenTelemetry.Exporter.InMemory/CHANGELOG.md
index 98c793d9f30..a5d6e499957 100644
--- a/src/OpenTelemetry.Exporter.InMemory/CHANGELOG.md
+++ b/src/OpenTelemetry.Exporter.InMemory/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md b/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md
index 9f07dab60ed..745b1cb36b2 100644
--- a/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md
+++ b/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 * Fix native AoT warnings in `OpenTelemetry.Exporter.OpenTelemetryProtocol`.
   ([#5520](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5520))
 
diff --git a/src/OpenTelemetry.Exporter.Zipkin/CHANGELOG.md b/src/OpenTelemetry.Exporter.Zipkin/CHANGELOG.md
index ae087b7812a..cf72bf0c33f 100644
--- a/src/OpenTelemetry.Exporter.Zipkin/CHANGELOG.md
+++ b/src/OpenTelemetry.Exporter.Zipkin/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md b/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md
index b1c9a74b424..c6194552fcd 100644
--- a/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md
+++ b/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry.Extensions.Propagators/CHANGELOG.md b/src/OpenTelemetry.Extensions.Propagators/CHANGELOG.md
index ce4adf5a81b..97b2f8c0da5 100644
--- a/src/OpenTelemetry.Extensions.Propagators/CHANGELOG.md
+++ b/src/OpenTelemetry.Extensions.Propagators/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 ## 1.8.0
 
 Released 2024-Apr-02
diff --git a/src/OpenTelemetry/CHANGELOG.md b/src/OpenTelemetry/CHANGELOG.md
index 4995ad0271e..f2059feadc3 100644
--- a/src/OpenTelemetry/CHANGELOG.md
+++ b/src/OpenTelemetry/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## 1.8.1
+
+Released 2024-Apr-17
+
 * Fixed an issue in Logging where unwanted objects (processors, exporters, etc.)
   could be created inside delegates automatically executed by the Options API
   during configuration reload.