diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8180c788..f916db1d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   adding to the
   attributes](https://github.com/open-telemetry/opentelemetry-erlang/pull/737)
 
+## API 1.3.1 - 2024-09-03
+
+### Fixes
+
+- [Fix dialyzer warning when starting a span by adding
+  `otel_span:start_config`](https://github.com/open-telemetry/opentelemetry-erlang/pull/717)
+
 ## Experimental API 0.5.1 - 2024-03-18
 
 ### Added
diff --git a/apps/opentelemetry_api/src/opentelemetry_api.app.src b/apps/opentelemetry_api/src/opentelemetry_api.app.src
index b8caecfd..87855a6a 100644
--- a/apps/opentelemetry_api/src/opentelemetry_api.app.src
+++ b/apps/opentelemetry_api/src/opentelemetry_api.app.src
@@ -1,6 +1,6 @@
 {application, opentelemetry_api,
  [{description, "OpenTelemetry API"},
-  {vsn, "1.3.0"},
+  {vsn, "1.3.1"},
   {registered, []},
   {applications,
    [kernel,
diff --git a/docs.sh b/docs.sh
index bd22daeb..e148b4c6 100755
--- a/docs.sh
+++ b/docs.sh
@@ -10,7 +10,7 @@ set -e
 rebar3 compile
 rebar3 edoc
 sdk_version=1.4.0
-api_version=1.3.0
+api_version=1.3.1
 exp_sdk_version=0.5.1
 exp_api_version=0.5.1
 otlp_version=1.7.0