diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a26ebfc..8f3e0a4 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.14.0"
+  ".": "0.15.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97fd948..d347780 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.15.0 (2026-02-04)
+
+Full Changelog: [v0.14.0...v0.15.0](https://github.com/isaacus-dev/isaacus-python/compare/v0.14.0...v0.15.0)
+
+### Features
+
+* **sdk:** add `decode` method to `Span`s ([bc41468](https://github.com/isaacus-dev/isaacus-python/commit/bc4146813a1b236b0740f2a74bab11311b5ef99d))
+
 ## 0.14.0 (2026-02-04)
 
 Full Changelog: [v0.13.0...v0.14.0](https://github.com/isaacus-dev/isaacus-python/compare/v0.13.0...v0.14.0)
diff --git a/pyproject.toml b/pyproject.toml
index 45898d4..ae463ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "isaacus"
-version = "0.14.0"
+version = "0.15.0"
 description = "The official Python library for the isaacus API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/isaacus/_version.py b/src/isaacus/_version.py
index 194d0a0..4f531e6 100644
--- a/src/isaacus/_version.py
+++ b/src/isaacus/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "isaacus"
-__version__ = "0.14.0"  # x-release-please-version
+__version__ = "0.15.0"  # x-release-please-version
diff --git a/src/isaacus/types/ilgs/v1/span.py b/src/isaacus/types/ilgs/v1/span.py
index 2289f04..51206dd 100644
--- a/src/isaacus/types/ilgs/v1/span.py
+++ b/src/isaacus/types/ilgs/v1/span.py
@@ -26,3 +26,15 @@ class Span(BaseModel):
     The zero-based end index of the half-open span (i.e., the end is exclusive) of
     Unicode code points in the input text.
     """
+    
+    def decode(self, text: str) -> str:
+        """Decode the span from the given text.
+
+        Args:
+            text (str): The input text from which to decode the span.
+        
+        Returns:
+            str: The substring of the input text corresponding to the span.
+        """
+        
+        return text[self.start:self.end]