diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 680e7c116d..8f413dd3c4 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-	"go": "1.3.0",
+	"go": "1.3.1",
 	"sdk/@launchdarkly/o11y": "1.3.0",
 	"sdk/@launchdarkly/observability": "1.2.1",
 	"sdk/@launchdarkly/observability-next": "0.3.1",
@@ -7,7 +7,7 @@
 	"sdk/flutter/packages/observability": "1.0.2",
 	"sdk/@launchdarkly/observability-dotnet": "1.2.1",
 	"sdk/@launchdarkly/observability-node": "1.4.0",
-	"sdk/@launchdarkly/observability-python": "1.3.3",
+	"sdk/@launchdarkly/observability-python": "1.3.4",
 	"sdk/@launchdarkly/observability-react-native": "0.18.0",
 	"sdk/@launchdarkly/react-native-ld-session-replay": "0.24.1",
 	"sdk/@launchdarkly/session-replay": "1.2.1",
diff --git a/go/CHANGELOG.md b/go/CHANGELOG.md
index fa183c522b..c715ae7713 100644
--- a/go/CHANGELOG.md
+++ b/go/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.3.1](https://github.com/launchdarkly/observability-sdk/compare/go/v1.3.0...go/v1.3.1) (2026-10-20)
+
+
+### Bug Fixes
+
+* **security:** build with Go 1.26.10 and require certifi 2026.10.19 ([#837](https://github.com/launchdarkly/observability-sdk/issues/837)) ([acfdb8b](https://github.com/launchdarkly/observability-sdk/commit/acfdb8b798ee3b91c3a2b06af8a87ebada027788))
+
 ## [1.3.0](https://github.com/launchdarkly/observability-sdk/compare/go/v1.2.2...go/v1.3.0) (2026-08-28)
 
 
diff --git a/go/internal/metadata/metadata.go b/go/internal/metadata/metadata.go
index 903e49b637..4534217310 100644
--- a/go/internal/metadata/metadata.go
+++ b/go/internal/metadata/metadata.go
@@ -6,5 +6,5 @@ const (
 
 	// InstrumentationVersion is the version of the instrumentation.
 	// This is automatically updated by the release process.
-	InstrumentationVersion = "1.3.0" // {{ x-release-please-version }}
+	InstrumentationVersion = "1.3.1" // {{ x-release-please-version }}
 )
diff --git a/sdk/@launchdarkly/observability-python/CHANGELOG.md b/sdk/@launchdarkly/observability-python/CHANGELOG.md
index 2e2e18be8e..4a1032498c 100644
--- a/sdk/@launchdarkly/observability-python/CHANGELOG.md
+++ b/sdk/@launchdarkly/observability-python/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Python Observability will be documented in this file. This project adheres to Semantic Versioning.
 
+## [1.3.4](https://github.com/launchdarkly/observability-sdk/compare/launchdarkly-observability-python-1.3.3...launchdarkly-observability-python-1.3.4) (2026-10-20)
+
+
+### Bug Fixes
+
+* **security:** build with Go 1.26.10 and require certifi 2026.10.19 ([#837](https://github.com/launchdarkly/observability-sdk/issues/837)) ([acfdb8b](https://github.com/launchdarkly/observability-sdk/commit/acfdb8b798ee3b91c3a2b06af8a87ebada027788))
+
 ## [1.3.3](https://github.com/launchdarkly/observability-sdk/compare/launchdarkly-observability-python-1.3.2...launchdarkly-observability-python-1.3.3) (2026-08-24)
 
 
diff --git a/sdk/@launchdarkly/observability-python/PROVENANCE.md b/sdk/@launchdarkly/observability-python/PROVENANCE.md
index 7a6ced31af..079288f3b0 100644
--- a/sdk/@launchdarkly/observability-python/PROVENANCE.md
+++ b/sdk/@launchdarkly/observability-python/PROVENANCE.md
@@ -9,7 +9,7 @@ To verify SLSA provenance attestations, we recommend using [slsa-verifier](https
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-PLUGIN_VERSION=1.3.3
+PLUGIN_VERSION=1.3.4
 ```
 <!-- x-release-please-end -->
 
diff --git a/sdk/@launchdarkly/observability-python/pyproject.toml b/sdk/@launchdarkly/observability-python/pyproject.toml
index 814fb7d378..c9a2b8ff51 100644
--- a/sdk/@launchdarkly/observability-python/pyproject.toml
+++ b/sdk/@launchdarkly/observability-python/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "launchdarkly-observability"
-version = "1.3.3"
+version = "1.3.4"
 description = "LaunchDarkly Observability for Python"
 license = "Apache-2.0"
 authors = [