diff --git a/HdrHistogram/HdrHistogram.csproj b/HdrHistogram/HdrHistogram.csproj
index 0a65d41..3710917 100644
--- a/HdrHistogram/HdrHistogram.csproj
+++ b/HdrHistogram/HdrHistogram.csproj
@@ -5,10 +5,10 @@
     <Description>HdrHistogram supports low latency recording and analyzing of sampled data value counts across a configurable integer value range with configurable value precision within the range.</Description>
     <Authors>Gil Tene, Lee Campbell</Authors>
     <PackageReleaseNotes>Net 8.0 release</PackageReleaseNotes>
-    <Copyright>Copyright 2024</Copyright>
+    <Copyright>Copyright 2025</Copyright>
     <PackageTags>HdrHistogram HdrHistogram.NET Histogram Instrumentation</PackageTags>
     <PackageProjectUrl>https://github.com/HdrHistogram/HdrHistogram.NET</PackageProjectUrl>
-    <PackageLicenseUrl>https://raw.githubusercontent.com/HdrHistogram/HdrHistogram.NET/master/LICENSE.txt</PackageLicenseUrl>
+    <PackageLicenseUrl>https://raw.githubusercontent.com/HdrHistogram/HdrHistogram.NET/main/LICENSE.txt</PackageLicenseUrl>
     <PackageIconUrl>http://hdrhistogram.github.io/HdrHistogram.NET/HdrHistogram-icon-64x64.png</PackageIconUrl>
     <RepositoryUrl>https://github.com/HdrHistogram/HdrHistogram.NET</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
diff --git a/README.md b/README.md
index e0bc671..23bd2dc 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-<img style="float: right;" align="right" height=64 src="https://raw.githubusercontent.com/HdrHistogram/HdrHistogram.NET/master/HdrHistogram-icon-64x64.png" alt="HdrHistorgram.NET logo">
+<img style="float: right;" align="right" height=64 src="https://raw.githubusercontent.com/HdrHistogram/HdrHistogram.NET/main/HdrHistogram-icon-64x64.png" alt="HdrHistorgram.NET logo">
 
 # HdrHistogram
 
diff --git a/spec/tech-standards/build-system.md b/spec/tech-standards/build-system.md
index 3857aec..51b86d6 100644
--- a/spec/tech-standards/build-system.md
+++ b/spec/tech-standards/build-system.md
@@ -147,13 +147,13 @@ environment:
 for:
   - branches:
       only:
-        - master
+        - main
     environment:
       semver: 2.5.{build}
 
   - branches:
       except:
-        - master
+        - main
     environment:
       semver: 2.5.{build}-pr{appveyor_pull_request_number}
 
@@ -192,7 +192,7 @@ notifications:
 
 Format: `{major}.{minor}.{build}`
 
-- **master branch**: `2.5.{build}` (release versions)
+- **main branch**: `2.5.{build}` (release versions)
 - **PR builds**: `2.5.{build}-pr{pr_number}` (pre-release versions)
 
 ### Setting Version