diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index dd8fde77..e20d7e81 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.5.0"
+  ".": "1.5.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64e20581..5345ce7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.5.1](https://github.com/supabase-community/supabase-csharp/compare/v1.5.0...v1.5.1) (2026-08-04)
+
+
+### Bug Fixes
+
+* match auth header names case-insensitively (enables developer override) ([#295](https://github.com/supabase-community/supabase-csharp/issues/295)) ([ac057a2](https://github.com/supabase-community/supabase-csharp/commit/ac057a2d4b3abb4b7ed916e004110db79881dc9a))
+
 ## [1.5.0](https://github.com/supabase-community/supabase-csharp/compare/v1.4.0...v1.5.0) (2026-07-30)
 
 
diff --git a/Supabase/Supabase.csproj b/Supabase/Supabase.csproj
index bf548c35..aef5e65d 100644
--- a/Supabase/Supabase.csproj
+++ b/Supabase/Supabase.csproj
@@ -20,8 +20,8 @@
         <Summary>A C# implementation of the Supabase client</Summary>
         <PackageTags>supabase</PackageTags>
         <!-- x-release-please-start-version -->
-        <ReleaseVersion>1.5.0</ReleaseVersion>
-        <PackageVersion>1.5.0</PackageVersion>
+        <ReleaseVersion>1.5.1</ReleaseVersion>
+        <PackageVersion>1.5.1</PackageVersion>
         <!-- x-release-please-end -->
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <PackageIcon>icon.png</PackageIcon>
@@ -34,7 +34,7 @@
     </PropertyGroup>
    
     <PropertyGroup Condition=" '$(Version)' == '' ">
-        <VersionPrefix Condition=" '$(VersionPrefix)' == '' ">1.5.0</VersionPrefix> <!-- x-release-please-version -->
+        <VersionPrefix Condition=" '$(VersionPrefix)' == '' ">1.5.1</VersionPrefix> <!-- x-release-please-version -->
         <Version Condition=" '$(Version)' == '' ">$(VersionPrefix)</Version>
     </PropertyGroup>
     <PropertyGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">