diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index fbd9082..7deae33 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.5.0"
+  ".": "1.6.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 662b4a3..bb15343 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 11
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/alisson/brapi-4d60c30c8d131273d69f4f282ddfdb0af5d4fe205418141db810ba006253b387.yml
-openapi_spec_hash: 260d3d161d665f21b70b296d3eda9851
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/alisson/brapi-12d584949d113fd550365a5e58159905c2cb08b4e746362540d4964688a931bf.yml
+openapi_spec_hash: a9df5c1deade686d9ce328d3fe64dcb1
 config_hash: 14da4c1963f3e0764a3e82d626a1d762
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1c19d8..d0b5811 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.6.0 (2026-06-27)
+
+Full Changelog: [v1.5.0...v1.6.0](https://github.com/brapi-dev/brapi-python/compare/v1.5.0...v1.6.0)
+
+### Features
+
+* **api:** api update ([d4af396](https://github.com/brapi-dev/brapi-python/commit/d4af396ab6df3bc4745c6c77157f7447f93b4cc6))
+
 ## 1.5.0 (2026-06-23)
 
 Full Changelog: [v1.4.0...v1.5.0](https://github.com/brapi-dev/brapi-python/compare/v1.4.0...v1.5.0)
diff --git a/pyproject.toml b/pyproject.toml
index 4565fbd..c835169 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "brapi"
-version = "1.5.0"
+version = "1.6.0"
 description = "The official Python library for the brapi API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/brapi/_version.py b/src/brapi/_version.py
index 8674006..8ad3a3e 100644
--- a/src/brapi/_version.py
+++ b/src/brapi/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "brapi"
-__version__ = "1.5.0"  # x-release-please-version
+__version__ = "1.6.0"  # x-release-please-version
diff --git a/src/brapi/resources/v2/inflation.py b/src/brapi/resources/v2/inflation.py
index 5d234aa..aca120f 100644
--- a/src/brapi/resources/v2/inflation.py
+++ b/src/brapi/resources/v2/inflation.py
@@ -108,8 +108,8 @@ def retrieve(
 
         ### Fonte dos Dados
 
-        Banco Central do Brasil (BCB) — Série temporal 13522 do Sistema Gerador de
-        Séries Temporais (SGS)
+        Banco Central do Brasil (BCB) — indicador IPCA publicado como série temporal
+        oficial
 
         **Plano Mínimo:** Startup | **Autenticação:** Necessária
 
@@ -275,8 +275,8 @@ async def retrieve(
 
         ### Fonte dos Dados
 
-        Banco Central do Brasil (BCB) — Série temporal 13522 do Sistema Gerador de
-        Séries Temporais (SGS)
+        Banco Central do Brasil (BCB) — indicador IPCA publicado como série temporal
+        oficial
 
         **Plano Mínimo:** Startup | **Autenticação:** Necessária
 
diff --git a/src/brapi/resources/v2/prime_rate.py b/src/brapi/resources/v2/prime_rate.py
index acf0118..c2630aa 100644
--- a/src/brapi/resources/v2/prime_rate.py
+++ b/src/brapi/resources/v2/prime_rate.py
@@ -109,8 +109,7 @@ def retrieve(
 
         ### Fonte dos Dados
 
-        Banco Central do Brasil (BCB) — Série temporal 432 do Sistema Gerador de Séries
-        Temporais (SGS)
+        Banco Central do Brasil (BCB) — meta SELIC publicada como série temporal oficial
 
         **Plano Mínimo:** Startup | **Autenticação:** Necessária
 
@@ -277,8 +276,7 @@ async def retrieve(
 
         ### Fonte dos Dados
 
-        Banco Central do Brasil (BCB) — Série temporal 432 do Sistema Gerador de Séries
-        Temporais (SGS)
+        Banco Central do Brasil (BCB) — meta SELIC publicada como série temporal oficial
 
         **Plano Mínimo:** Startup | **Autenticação:** Necessária